Answer:
Food, Inc. Summary
If you aren’t completely familiar with what it is, Food, Inc was created by documentary filmmaker Robert Kenner and narrated by Eric Schlosser (Fast Food Nation), and also features commentary from Michael Pollan (The Omnivore’s Dilemma).
It lifts the veil on how the nation’s food industry has been consumed by corporations and how that impacts the farms where our food comes from, the supermarkets where we buy our food, and the restaurants where we eat that food. It tackles the FDA, food safety, food production, large-scale animal processing plants, and other food matters. If you are at all concerned or curious about the state of food supply in America, you should watch Food, Inc.
The Key Takeaways from the Movie
Supermarkets and Corn
The tomatoes you buy in the grocery store are picked when green and then ripened with ethylene gas
The food industry doesn’t want you to know the truth about what you are eating because if you did you might not eat it—it is a world deliberately hidden from us
Most people have no idea where their food comes from (do you?)
The fact that people need to write a book (and a blog!) telling people where their food comes from shows how far removed we are
The average grocery store has 47,000 products which makes it look like there is a large variety of choices—but it is an illusion—there are only a handful of corporations (like Monsanto, Tyson, and Perdue for example) and a few major crops involved
So much of the processed food is just clever rearrangements of corn (here are just a few examples of the additives that are derived from corn: cellulose, saccharin, polydextrose, xanthan gum, maltodextrin, and my favorite—ha ha ha—high fructose corn syrup)
30% of our land base in the US is used to grow corn because thanks to government policy farmers are paid to overproduce this easy-to-store crop
Farmers are producing so much corn that food scientists had to come up with uses for it—just like some of the additives listed above
Food scientists have also spent a lot of time reengineering our foods—so they last longer on grocery store shelves and don’t get stale
At the supermarket, candy, chips, and soda are all cheaper than produce
A double-cheeseburger from McDonald’s is 99 cents and you can’t even get a head of broccoli for that price
Those snack calories are cheaper because the commodity crops like corn, wheat, and soybeans are heavily subsidized
You start feeding corn to cows, E. Coli evolves and a certain mutation occurs which is very a harmful bacteria
Animals at factory farms stand ankle deep in their manure all day long so if one cow has E. Coli others can get it too
At a slaughterhouse their hides are caked with manure and if you are slaughtering 400 cows per hour how do you keep it from spreading?
So these harmful new strains of e Coli, that didn’t use to be in the world, are now a problem
E. Coli is even in spinach and apple juice because of the runoff from factory farms
It doesn’t help that the Chief of Staff for the USDA was a former lobbyist for the beef industry
Regulatory agencies are being controlled by the very companies they are supposed to be scrutinizing
There has always been food poisoning, but food is not getting safer it is becoming more contaminated because with the bigger factories it spreads the problem far and wide
There are only 13 slaughterhouses for the majority of beef in all the US
Ground beef from the grocery store has thousands of different cows mixed up in it so the chance of one of those cows in your meat having a disease is increased
After eating hamburger contaminated with E. Coli 0157:H7 a woman’s 2-year-old son went from a perfectly healthy boy to being dead in 12 days
In the 90’s some industrial meat factories were tested for E. Coli 0157:H7 and if they failed they were supposed to be shut down—but there was not enough authority to close the contaminated plants
Some companies are now using a hamburger meat filler cleansed with ammonia hydroxide to help kill E. Coli (mmm…that sounds tasty)
Explain changes in osmotic pressure that occurs when cells are placed in solutions of differing concentrations. Can you describe what happens to cells in different solutions:
Osmotic pressure relies upon simplest on temperature and the difference in the concentration throughout the membrane.
The osmotic pressure of a solution is proportional to the molar concentration of the solute debris withinside the answer. As quickly because the solute molecules will increase the osmotic strain of answer boom. Osmotic strain is laid low with attention and temperature. Concentration of solute and temperature every have an effect on the quantity of strain created through the motion of water throughout a membrane. Higher concentrations and better temperatures boom osmotic pressure. If a cell is positioned in a hypertonic solution, water will depart the cell, and the cell will shrink. In an isotonic environment, there's no water movement, so there's no use withinside the length of the cell. When a cell is positioned in a hypotonic environment, water will input the cell, and the cell will swell.
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Achondroplasia (dwarfism) is caused by a dominant gene. A woman and a man both with dwarfism marry. If homozygous achondroplasia results in the death of embryos, then the expected ratio of normal to affected children will be
The expected ratio of normal to affected children will depend on the genetic background of the parents. If both parents have achondroplasia, which is a dominant gene, then each of their children has a 50% chance of inheriting the condition.
In this case, the expected ratio of normal to affected children would be 1:1. However, if one parent is heterozygous (carries one copy of the gene) and the other is homozygous (carries two copies of the gene), then the expected ratio of normal to affected children would be 3:1.
This is because the heterozygous parent has a 50% chance of passing on the achondroplasia gene and the homozygous parent has a 100% chance of passing on the achondroplasia gene.
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How would cyanide poisoning affect the rest of the ETC and proton gradient across the inner mitochondrial membrane?
After the cyanide poisoning the proton gradient will be reduced. Moreover, it will lead to the stopping of the electron transport chain (ETC). Because it prevents the complex IV from transporting electrons, cyanide functions as a poison.
Most of the electron transport chain will abruptly slow down and cease if complex IV cannot transmit electrons. Protons won't be pumped out of the matrix and into the intermembrane space if electrons aren't traveling along the transport chain. The gradient will deteriorate as the protons already in the intermembrane space move down their gradient and into the matrix because they won't be replaced. Thus, this will cause the intermembrane space's pH to decrease.
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Can plants perform light-independent reactions?
The second and last step of photosynthesis is the process that is not dependent on light are light-independent reactions. It creates organic materials for the plant .
The photochemical process of photosynthesis involves a number of light-independent biochemical events light-independent reactions that result in plant the formation of organic compounds from carbon dioxide. This metabolic pathway is propelled by the energy released from the ATP created during the light reactions. Photosystems I and II, which are both found in the thylakoid membranes of chloroplasts, are plant responsible for using light energy. The light-independent reactions ,chemical energy obtained during the light-dependent processes is used to construct carbohydrate molecules from plant carbon dioxide in light-independent reactions (the Calvin cycle).
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Check the items you included in your answer. Both living things and biotic factors can be alive. Unlike living things, biotic things may not be alive; they may have once lived or came from something living. I included an example of something both living and biotic, such as flowers. I included an example of something biotic, but not living, such as paper. I used compare-and-contrast vocabulary
You are all aware that the terms "living" and "biotic" are interchangeable since both refer to the measures of life. It includes, among other things, humans, animals, plants, and predators.
Something that is directly derived from living organisms or that is closely related to living organisms can be considered biotic. Biotic organisms may not always be alive, but they can talk for a long time. A biotic substance is one that once existed or originated from a living thing.
Products like rubber, latex, cow dung, paper, and so on are biotic products that are not living, whereas examples like plants and animals, including humans, fall under the category of living.
As a result, Biotic includes, among other things, humans, animals, plants, and predators.
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Four of the following are major human activities that disrupt and degrade freshwater systems; one is not. Choose the one that is not.
Thickness of the ozone layer id not the one that disrupt and degrade freshwater systems.
The stratosphere, 15–40 km above the earth's surface, may include the ozone layer. Under typical pressure and temperature circumstances, the ozone layer in the stratosphere is between 2 and 5 mm thick, and the amount of ozone present varies by season, hour of the day, and location. Ozone builds up in the polar area due to poor photochemical depletion and ozone transfer from the equator. In the absence of other ozone-disturbing components, the highest ozone values are therefore observed over the Polar regions in winter. Wetlands are often referred to be areas of land that are either permanently saturated with moisture or immersed in shallow water.
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The stomach is the only part of the alimentary canal with three muscular layers. Why does the stomach need three layers of muscle
The stomach is the only part of the alimentary canal with three muscular layers. The stomach need three layers of muscle for digestion through peristalsis.
The stomach is a part of the body that includes the entire abdominal cavity which consists of the digestive tract and accessory organs, the urinary system, and the spleen. There are three layers of muscles in the stomach, namely the outer longitudinal muscles, the middle circular muscles, and the inner oblique muscles which help in peristaltic events.
Peristalsis is a movement in the form of muscle contractions in the digestive tract that pushes and stirs food so that it is digested. Through peristalsis the stomach will break down food and absorb nutrients during the digestive process.
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How does smoking weaken damage the respiratory system?
The smoking or act of inhaling smoke can damage the respiratory system by reducing the surface area for the exchange of the gases and can lead to cancer as well.
Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. It can also cause irritation of the trachea (windpipe) and larynx (voice box). Inhaled tobacco smoke moves from the mouth through the upper airway, ultimately reaching the alveoli.
As the smoke moves more deeply into the respiratory tract, it can cause inflammation and damage to the cilia, tiny hairs that play an essential role in the function of the respiratory system. Smoking can also increase the production of phlegm and mucus, leading to an increased risk of respiratory infections. It can also damage the cilia that help to clear unwanted particles from our lungs over time. Cigarette smoke can also contain high levels of carcinogens, which can lead to lung cancer.
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The anthropologit i attending the annual conference of the American Aociation of Phyical Anthropologit (AAPA) and he i chatting with another paleoanthropologit named Jane who work at a nearby foil ite in Eatern Africa. Jane ak if he will hare hi foil data with her o he can compare the information uncovered at thi ite, and he worrie that haring the data with Jane will undermine hi authority in the dicipline. How hould he proceed?
The anthropologist needs to consider the advantages and disadvantages of giving Jane access to his data. On the one hand, the data sharing could result in new discoveries and partnerships that could advance the study of paleoanthropology.
However, if Jane were to publish results based on his data before he does, it might also jeopardize his standing in the field. In the end, he should decide whether to disclose the data based on what he thinks will advance knowledge and understanding in the profession, not on concerns about personal power.
He may want to consider discussing his concerns with his colleagues or mentors before making a decision. It's also important to have a clear agreement about authorship, data usage, and recognition of the data source.
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When homologous chromosome pairs align on the spindle during metaphase I the orientation of one pair is independent of the orientation of any other pair. This is known as independent assortment. Humans have 46 chromosomes, arranged as 23 pairs. During metaphase I each pair lines up independently, which results in 2 23possible combinations. With your group, calculate the number of possible genetic combinations due to independent assortment.
Answer:perform photosynthesis
Explanation:
Which characteristic is shared by the two plants, and can therefore be placed in the overlapping section?
What is the hypothesis of Mendel?
The hypothesis of Mendel define the field of genetics by describing, genes, alleles and their pattern of inheritance.
Mendel's hypothesis states that when two parents with different alleles for a trait produce offspring, each offspring will receive one allele from each parent. This law helps to explain why certain traits are inherited, as well as why the ratio of certain traits can be predicted. Additionally, Mendel's hypothesis states that the alleles for a trait separate during the formation of gametes and randomly unite at fertilization.
Thus, Mendel proposed various law on the basis of hypothesis and proved them, the law include, Law of dominance, Law of segregation, and Law of independent assortment. These Law greatly define the filed of classical genetics.
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What mechanism causes the movement of water and solutes through the filtration membrane in the nephron
Answer:
ultrafiltration
Explanation:
the water and solutes pass through the glomerulus or filtration membrane inorder to be filtered
Design of Solution: Describe steps you could take to devlelop an eddective method for copying San Francisco sourdough bread. Assume that you have access to soudough starter and all the ingredients and equipment you need.
The Design of Solution that Describe steps you could take to develop an deductive method for copying San Francisco sourdough bread is given below:
ResearchExperiment with Sourdough StarterExperiment with Flour and HydrationMixing and FermentingShaping and BakingEvaluate and AdjustRepeat and refineWhat are the steps about?In Research: The first step in developing an effective method for copying San Francisco sourdough bread is to research the traditional methods and techniques used to make this type of bread.
Experiment with Sourdough Starter: Next, you will need to experiment with different types of sourdough starter to find one that is similar to the starter used in San Francisco sourdough bread.
Experiment with Flour and Hydration: Once you have a starter that you are happy with, you will need to experiment with different types of flour and different hydration levels to find the right combination for your bread.
Mixing and Fermenting: Once you have your flour and hydration levels sorted, you will need to start mixing and fermenting your dough.
Shaping and Baking: Once your dough is fermented, you will need to shape it and prepare it for baking.
Evaluate and Adjust: Once your bread is baked, you will need to evaluate it and make any necessary adjustments.
Lastly, Repeat and refine: Repeat the process of making the bread and take note of the variations and results each time. Refine the process by making adjustments and tweaking the steps until you are satisfied with the end product.
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What are the 5 environmental factors?
Answer:
What are 5 major environmental problems suggest ways to protect the environment?
Biodiversity. Biodiversity is the most complex and vital feature of our planet. …
Water. Water pollution is a huge concern for us and our environment. …
Deforestation. We need plants and trees to survive. …
Pollution. …
Climate Change.
Explanation:
Determine whether each factor of a terrestrial ecosystem is biotic or abiotic.
Trees
Fungii
Sunlight
Soil
Birds
The biotic factors of the terrestrial ecosystems are trees, fungi and birds while the abiotic factors are the sunlight and soil.
What is a terrestrial ecosystem?A terrestrial ecosystem is the type of ecosystem that is found in the earth environment which is made up of both the biotic and abiotic factors.
The biotic factors are those factors that are considered as the living things such as the trees, fungi and birds while the abiotic factors are the non living things found in the ecosystem and they are soil and sunlight.
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Now you are going to use station data to write weather forecasts for several cities for today. Write your forecasts in complete sentences. Assume you are writing for the general public. Be sure to discuss temperatures, winds, and possible precipitation. City Station Data Weather Forecast Los Angeles, CA (Southwest) Salt Lake City, UT (West) Chicago, IL (Midwest) Philadelphia, PA (Northeast) New Orleans , LA (South)
Based upon the data provided, temperature and direction of wind determine the weather forecast.
Los Angeles experiences the highest temperature, 56 degrees Fahrenheit, and the lowest temperature, 47 degrees Fahrenheit, with a southwesterly wind. The highest temperature in Salt Lake City is 42 degrees Fahrenheit, while the lowest temperature is 36 degrees.
The wind is blowing from the west. The wind is blowing toward the Midwest and Chicago II has a maximum temperature of 28 and a minimum temperature of 27 degrees Fahrenheit. The hottest and lowest temperatures in Philadelphia are both 56 degrees Fahrenheit, and the wind is blowing northeast. The wind blows southward in New Orleans, where the highest temperature is 75 degrees and the lowest is 70.
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A 69-year old man with alcoholism is seen with leukocytosis, an elevated amylase level, and a rising lipase level. The entire pancreas appears enlarged and hypoechoic, with ill-defined borders. The most likely diagnosis is:
The most likely diagnosis in a 69-year-old man with alcoholism, leukocytosis, an elevated amylase level, and a rising lipase level, with an enlarged and hypoechoic pancreas, is acute pancreatitis.
Acute pancreatitis is an inflammation of the pancreas due to the activation of digestive enzymes within the pancreas, leading to autodigestion. Typically, the pancreas appears enlarged and hypoechoic on imaging studies, with ill-defined borders.
Other signs and symptoms of acute pancreatitis may include abdominal pain, nausea, vomiting, fever, and leukocytosis. Elevated amylase and lipase levels are typically seen in acute pancreatitis. Alcoholism is a risk factor for acute pancreatitis, and should be considered in the diagnosis.
Treatment typically involves supportive care, such as pain control and hydration, and abstinence from alcohol. In some cases, antibiotics may be used to treat or prevent infection. In serious circumstances, surgery may be required.
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How does natural selection lead to increases and decreases of specific traits?
More individuals with beneficial mutations will survive than those without it, and it will lead to an increase in the expression of those certain traits throughout the population through increases and decreases of specific traits.
Any modification to a species' structure or behavior that makes it more suited to surviving and procreating in its environment is referred to as an adaptation. Random mutations can cause the expression of particular features to become more prominent. Natural selection will result in an increase in the expression of specific features throughout the population since more people with advantageous mutations will survive than those without them.
Physical characteristics of an organism, such as the bill on a bird or the fur on a bear, are examples of structural adaptations. Behavioral adjustments make up the rest. Organisms use behavioral adaptations to help them survive. Bird migration and calls are two examples of behavioral adaptations.
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Humans are classified into what group of mammals because their developing embryo grows within the mother before a live birth?
Humans belong to the group of mammals known as placental mammals, because the developing embryo grows within the mother before a live birth.
Placental mammals are any of a group of mammals in which the embryo and later the fetus, is nourished in the uterus by an organ called the placenta. The placenta is an organ that attaches the embryo to the uterine wall and is the site of exchange between the mother’s and the fetus’s blood in order to provide nourishment to the developing fetus.
Placental mammals are the most highly evolved group of mammals and include monkeys, apes, and humans. In contrast to other mammals, such as marsupials whose embryos are nourished in the uterus for a short time before being born, placental mammals develop within the mother until they are fully developed. This prolonged period of development in the mother gives the fetus time to fully develop its organs and to grow to a larger size before birth.
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What effect would cyanide have on the electron transport chain ?
This compound acts to inhibit cytochrome C oxidase, otherwise known as Complex IV of the electron transport chain. By inhibiting this complex, cyanide effectively halts the flow of electrons through the chain.
Cyanide poisons the mitochondrial electron transport chain within cells and renders the body unable to derive energy (adenosine triphosphate—ATP) from oxygen. Specifically, it binds to the a3 portion (complex IV) of cytochrome oxidase and prevents cells from using oxygen, causing rapid death.
Cyanide inhibits cytochrome c oxidase, the terminal oxidase of the mitochondrial respiratory pathway, therefore inhibiting the cell oxygen utilization and resulting in the condition of histotoxic anoxia.
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What is mucus and why is it important?
Mucus is a secretion from the mucous membranes and mucus is important because it is a lubricant so that the tissues do not dry out.
Mucus is a secretion from the mucous membranes in the form of a sticky and slippery liquid that coats all cavities in the body such as the lungs, sinuses, mouth, stomach and intestines. Mucus itself consists of several building blocks, but the main component is a substance called mucin (mucin).
Mucin is a type of protein produced by the cell surface tissue. Mucin in mucus works as a barrier to foreign particles from outside the body, lubricants, and others. Therefore, mucus is very important to exist in the body because it works as a lubricant so that the tissues do not dry out and foreign particles do not enter the body.
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What essential criteria must be met in order to execute a successful mapping cross? (Select all the statements that apply.)
A. One parent should be heterozygous and the other homozygous recessive for all the genes being mapped.
B. The genotypes of the offspring must be readily determined from their phenotypes.
C. One parent should be homozygous dominant and the other homozygous recessive for all the genes being mapped.
D. Recombination must occur in the sex that displays genetic heterogeneity.
The genotypes of the offspring must be readily determined from their phenotypes.
What is the genotypes of AA?A heterozygous individual has two different alleles. Therefore it would have the genotype Aa. An individual with the genotype Aa can make two types of gametes: A and a. Since this is a random process, the individual will, on average, make equal numbers of each gamete.
What is a genotype and give an example?A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the genome. It can be represented by symbols. For example, BB, Bb, bb could be used to represent a given variant in a gene.
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Which hypersensitivity reaction is antibody-dependent and includes the immediate cytotoxic response seen in maternal-fetal Rh incompatibility or mismatched blood transfusion
When antibodies are involved in an immune response, it's known as a type II hypersensitivity reaction (IgG or IgM) are directed against extracellular matrix antigens and cause cellular death, functional loss, or tissue damage.
When IgG or IgM antibodies bind to an antigen on the surface of a cell, other immune cells and complements attack the antigen, causing the cell to be destroyed. This is known as a type II, or cytotoxic, hypersensitivity reaction. During the transmission of incompatible maternal antibodies to foetal red blood cellular, a condition known as erythroblastosis fetalis, which results in hemolytic anaemia in the foetus, complement-dependent type II hypersensitivity can also happen.
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. An organism that has two different alleles of a given gene has a(n) _____ genotype. aneuploid dizygous heteromorphic heterozygous homozygous
An organism that has two different alleles of a given gene has a(n) heterozygous genotype. aneuploid dizygous heteromorphic heterozygous homozygous
Heterozygous genotypes are characterized by two different alleles of a particular gene. These alleles can be inherited from different parents or from the same parent, and this type of genotype is also known as a dizygous genotype.
An example of this is eye color; if an individual has one allele for blue eyes and one allele for brown eyes, they would have a heterozygous genotype. This type of genotype is important for producing genetic diversity, allowing for adaptations that can be beneficial to a species. It is also important to note that having a heterozygous genotype does not guarantee that the individual will express the traits of both alleles; rather, the individual will usually express the trait of the dominant allele.
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The sodium potassium pump, works against its concentration gradient. it pumps ___________ ions out of the cell and _________ ions into the cell
The sodium-potassium pump works against its concentration gradient. it pumps potassium ions out of the cell and sodium ions into the cell.
A sodium-potassium pump system moves sodium and potassium ions against a large concentration gradient. It transports two potassium ions into cells with high potassium levels and pumps three sodium ions out of the cell into the extracellular fluid. Sodium-potassium pumps are found in many cell (plasma) membranes. The ATP-powered pump moves sodium and potassium ions in opposite directions against their respective concentration gradients. In one cycle of the pump, 3 sodium ions are pushed out of the cell and 2 potassium ions are taken up by the cell.
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becasue of their high productivity and quality of soil the biome types that have lost the greatest percentage of theri original area to humans are
Becasue of their high productivity and quality of soil the biome types that have lost the greatest percentage of theri original area to humans are grassland
The grassland biome is one of the most productive and diverse biomes on the planet, making it a prime target for human development and agricultural activities. Unfortunately, due to its high productivity and quality of soil, grassland biomes have lost the greatest percentage of their original area to humans.
Grasslands are found on every continent except Antarctica, and they typically have cool winters and warm summers. The soil in grasslands is very fertile and able to support a variety of plants, animals, and other organisms. This makes it an ideal location for agriculture, and many humans have taken advantage of this by clearing the land and converting it to farmland.
Not only have humans cleared grassland for farming, but they have also converted large areas to urban and suburban development. The combination of these two activities has caused a dramatic reduction in the amount of grassland that is available to animals and other organisms.
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How can vegetarians make sure they get enough protein?
Vegetarians make sure they get enough protein by adding Beans and lentils ,Soy products ,Whole grains, Nuts and seeds in their daily meals .
Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .
In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . so we can say that protein is crucial for maintaining structural framework of body and also helps in maintaining fluid balance .
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What do snails clams and squids have in common?
Answer: snails clams and squid have in common is MOLLUSKS
Explanation: MOLLUSKS an invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses. They have a soft unsegmented body and live in aquatic or damp habitats, and most kinds have an external calcareous shell.usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body. Along with the insects and vertebrates, mollusks are one of the most diverse groups in the animal kingdom, with nearly 100,000
There are two types of blood vessels that connect to capillaries: venules and arterioles. Based on their names, what can you guess their role is in carrying blood
The vasculature is a network of blood arteries that connects the heart to all of the body's organs and tissues. Arteries and arterioles transport oxygen-rich blood and nutrients from the heart to the organs and tissues, while veins and venules return deoxygenated blood to the heart.
Blood vessels are circulatory system components that convey blood throughout the human body. These veins carry blood cells, nutrients, and oxygen to the body's tissues. They also remove trash and carbon dioxide from tissues. All of the body's tissues rely on the functioning of blood arteries to support life.
There are five types of blood vessels: arteries, which take blood out from the heart; arterioles; capillaries, which exchange water and chemicals between the blood and the tissues; venules; and veins, which bring blood back towards the heart from the capillaries.
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Full Question: There are two types of blood vessels that connect to capillaries: venules and arterioles. Based on their names, what can you guess their role is in carrying blood? Do they carry oxygenated or deoxygenated blood?
what takes place in the light dependent reaction of photosynthesis
Answer:
The sunlight is converted to chemical energy.
Explanation:
Light-dependent reactions happen in the thylakoid membrane of the chloroplasts and occur in the presence of sunlight. The sunlight is converted to chemical energy during these reactions. The chlorophyll in the plants absorb sunlight and transfers to the photosystem which are responsible for photosynthesis.