Giant Aramadillo. The mammal on land with the most permanent teeth lives in South America and can have as many as 100 teeth in its jaws. It’s the 600 pound giant armadillo.
The biggest extant species of armadillo is the gigantic armadillo (Priodontes maximus), also known as tatu-canastra, tatou, ocarro, or tat carreta (although their extinct relatives, the glyptodonts, were much larger). It is found across South America, going as far south as northern Argentina. This species is thought to be in danger of going extinct.
The whole population of a termite mound is frequently consumed by the gigantic armadillo, which prefers to dine on termites and some types of ants. It has also been observed to feed on plants, worms, larvae, and bigger animals like spiders and snakes. Some giant armadillos have been reported to have eaten bees by digging into beehives.
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even though anthropologists use parts of the scientific method, some don’t see what they do as science because
Social behavior's intricacy prohibits.The scientific method is a tool used by biological anthropologists to understand more about their environment.
The scientific method is a collection of methods for learning new information, correcting old knowledge, and adding new information. Fieldwork is the main method used by cultural anthropologists to gather information for their investigations. This technique usually entails staying with a group of individuals for a considerable amount of time while becoming a respected member of their culture. By gathering and analysing evidence, the scientific method aims to objectively explain natural science. It entails the creation of hypotheses and their use to develop logical defences. Scientists adhere to a set of steps while applying the scientific method.
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Why do anthropologists use the scientific method?
T or F: Enzymes accelerate a reaction by making the ΔG more favorable.
False. Enzymes do not make the ΔG of a reaction more favorable. Instead, they lower the activation energy required for the reaction to occur.
which increases the rate of the reaction without changing the overall thermodynamics of the reaction or the ΔG. In other words, enzymes do not change the free energy change of a reaction, but they do increase the rate at which it occurs.Enzymes are biological catalysts that speed up chemical reactions in living organisms. They work by reducing the activation energy required for a reaction to occur, which is the minimum energy required to initiate a chemical reaction. By lowering the activation energy, enzymes make it easier for reactant molecules to achieve the necessary energy to undergo a reaction.However, enzymes do not change the overall thermodynamics of a reaction, including the change in free energy (ΔG) that occurs during the reaction. ΔG represents the difference in free energy between the reactants and products of a reaction, and it determines whether a reaction is energetically favorable (exergonic, ΔG < 0) or unfavorable (endergonic, ΔG > 0).Enzymes do not affect the overall free energy change (ΔG) of a reaction. Instead, they lower the activation energy, which enables the reaction to proceed more quickly and efficiently. This is accomplished by binding to the reactant molecules in a way that stabilizes the transition state of the reaction, thereby reducing the energy required to reach that state.In summary, enzymes do not make the ΔG of a reaction more favorable. Instead, they lower the activation energy required for the reaction to occur, which increases the rate of the reaction without changing the overall thermodynamics of the reaction or the ΔG.
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Which of the following statements about gene therapy is not true?
OPTIONS
Functioning genes are used to replace mutated genes.
Gene therapy can cure any disease.
Somatic gene therapy only works on individuals.
Gene therapy is another form of artificial selection.
The untrue statement about gene therapy is that it is as follows: Gene therapy is another form of artificial selection (option D).
What is gene therapy?Gene therapy is any of several therapies involving the insertion of genes into a patient's cells in order to replace defective ones.
It is a medical approach that treats or prevents disease by correcting the underlying genetic problem.
Gene therapy techniques allow doctors to treat a disorder by altering a person's genetic makeup instead of using drugs or surgery.
Therefore, option D is untrue.
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what are the arteries of the body
Arteries, a critical part of your cardiovascular system, are blood vessels that distribute oxygen-rich blood to your entire body.
The blood channels that transport oxygen-rich blood from your heart to all of the cells in your body are called arteries, which are a component of your circulatory (cardiovascular) system. They are essential for delivering hormones, nutrients, and oxygen throughout the body. By supplying your cells and tissues with what they require, arteries keep your body alive and healthy.
There are two different kinds of arteries that serve slightly different purposes. Both play a part in getting oxygen-rich blood to your body's tissues from your heart.
The first kind, elastic, absorbs the energy of the throw much like a football player does when he catches the ball. Before moving on to other arteries, this kind receives blood from the heart.
The second type, which is muscular, is like when players run down the field carrying the ball to the appropriate spot. These are the tissues in your body receiving blood.
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which carbon in a carbohydrate determines whether a human is capable of digesting it properly?
D carbon in a carbohydrate determines whether a human is capable of digesting it properly.
The "D" isomer of a carbohydrate is the only one that can be broken down by humans. The first chiral carbon in the sugar is the one that decides whether a carbohydrate is "D" or "L." If it is pointing to the right, then people can digest the sugar.
Carbohydrates are the primary source of energy for mammals. These are the compounds made up of carbon, hydrogen, and oxygen. Glucose is the most abundant carbohydrate found in animals. It is stored in the form of glycogen in human liver. Glycogen is, hence, referred to as animal starch. Moreover, glucose is a hexose sugar, i.e,
it is a six-carbon sugar.
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What is the bone in your upper arm called?
The upper arm bone (humerus) and two forearm bones make up your arm's three bones (the ulna and the radius).
One of your body's strongest bones, the humerus, is the only bone in your upper arm. Those who get humerus fractures typically suffer from a significant trauma, such as a car collision. After a humerus fracture, you should anticipate complete recovery, even if you require surgery to restore your bone. Healing from a broken bone will take three to four months. Exercises must be done throughout this time in order for you to rebuild strength and range of motion and resume your regular activities. Even after surgery, full function recovery can often take up to 18 months.
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All living things require energy to survive. which cell organelle is responsible for generating chemical energy for the cell?
Bacteria under a microscope
If antibiotics typically target peptidoglycan in a cell wall, then which type of bacteria would be more difficult to kill and why?
. Bordetella pertussis
. Bacillus anthracis
. Brucella canis
Answer:
Explanation:
All bacteria are haploid structures; they can trap iron using siderophores, and can also perform fermentation processes.
Gram-positive bacteria appear violet because they absorb cresyl violet stain.
Gram-negative bacteria appear red because they absorb safranin stain.
Cell wall of bacteria is mainly made up of peptidoglycan:
Gram positive: It is thick with extensive cross-linking.
Gram negative: It is thin with minimal cross-linking.
Which three of the following contain the highest percentage of calories from carbohydrates?
-Legumes
-Fat-free milk
-Fish
-Jam
-Table sugar
-Dried fruit
The three options with the highest percentage of calories from carbohydrates are Jam, Table sugar, and Dried fruit.
How much calories does Jam, Table sugar, Dried fruit have?The three items that contain the highest percentage of calories from carbohydrates are:
Jam: Jam is made mostly of sugar and fruit, which are both high in carbohydrates. It contains about 100% carbohydrates, with no protein or fat.
Table sugar: Table sugar is 100% carbohydrate, with no protein or fat.
Dried fruit: Dried fruit is high in natural sugar and carbohydrates, with about 75-90% of its calories coming from carbohydrates.
The other items on the list, such as legumes, fish, and fat-free milk, also contain carbohydrates but in lower amounts compared to the three items mentioned above.
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all living things require energy to survive. which cell organelle is responsible for generating chemical energy for the cell?a. vacuoles b. chloroplastc. mitochondriad. golgi bodies
Answer:
Mitochondria
Explanation:
creates atp
Studies on the catalytic activity of hexokinase provided the following data (on back). Which experiment would contain the greatest percentage of folded protein
a. experiment I
b. experiment II
c. experiment III
d. experiment IV
The correct answer is option d. Studies on the catalytic activity of hexokinase provided the following data (on back). Experiment IV would contain the greatest percentage of folded protein.
Because Experiment IV has the highest Km and Vmax values, which show that the enzyme is more active and has a better catalytic efficiency, it would have the largest percentage of folded protein.
The Michaelis-Menten constant, or Km, measures an enzyme's affinity for its substrate, while Vmax refers to the fastest possible rate at which an enzyme-catalysed reaction may occur.
The fraction of folded protein increases with increasing Km and Vmax values. In terms of the enzyme's catalytic activity, Experiment IV also has the highest catalytic efficiency. These elements all point to experiment IV having the greatest amount of folded protein.
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what would happen if the oeprator sequence of the lac operon containedd a mutation that prevented the repressor protein from bindign the operator
Tryptophan causes the genes trpA to trpE to be transcribed.
What happens if a mutation changes the lac operator's sequence in such a way that lac repressor is unable to bind?That is as a result of the repressor not binding to the lac operator.The mutation modifies the lac operator's amino acid sequence, making it more receptive to the repressor molecules.In order to use galactose in the dearth of lactose, a cell will continually generate the enzyme beta-galactosidase.
What happen if the promoter gene with in lac operon is altered?For instance, mutations in the promoter can inhibit the expression of all the genes in the operon since RNA polymerase won't be able to bind and start transcription.
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in which phase would you expect to observe the most endospores in a bacillus cell culture?
Endospores are most abundant in Bacillus cell cultures during the death phase.
Depending on the cell type, this could be the stage where protein production and excretion occur, or where spore-forming bacteria begin to produce endospores, allowing them to survive harsh conditions. Endospores are dormant, tough, and non-reproductive structures produced by certain Firmicute bacteria. Endospore formation is typically triggered by a lack of nutrients in Gram-positive bacteria. The bacterium divides within its cell wall during endospore formation.
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Policy makers are considering banning a pesticide that is toxic to humans
under certain conditions. Which of the following is an economic impact of
banning the pesticide?
A. Organisms harmed by the pesticide will experience an increase in
population.
B. Manufacturers that produce the pesticide will no longer profit from
its sale.
C. Humans exposed to the pesticide will no longer be at risk from its
harmful effects.
D. The remaining pesticide currently in the environment will take
years to dissipate.
The economic impact of banning the pesticide that is toxic to humans is primarily related to its effect on the supply and demand for the product. Option B is the correct answer: manufacturers that produce the pesticide will no longer profit from its sale.
The Economic Effect of banning the pesticideIf the pesticide is banned, the demand for the pesticide will decrease or even disappear, leading to a decrease in sales and a reduction in profits for the manufacturers. This will affect the companies that produce the pesticide, as well as the people who work for these companies.
Options A, C, and D describe potential environmental and health impacts of banning the pesticide, but they are not direct economic impacts. Option A suggests that the ban may have an effect on the population of organisms that were previously harmed by the pesticide. Option C suggests that humans will no longer be at risk from the pesticide, which has a positive impact on public health, but it is not an economic impact. Option D suggests that there may be some long-term effects of the ban, but this is also not a direct economic impact.
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What are the main parts of the skull?
The main parts of the skull is Cranial bones, Facial bones, Sutures, Foramina.
The skull is the bony structure that encases and protects the brain. It is made up of several bones that are joined together. The main parts of the skull include:
Cranial bones: These are the bones that form the top and sides of the skull, and include the frontal, parietal, temporal, occipital, sphenoid, and ethmoid bones.
Facial bones: These are the bones that form the front part of the skull, and include the maxilla, mandible, zygomatic, nasal, lacrimal, palatine, and inferior nasal conchae bones.
Sutures: These are the fibrous joints between the cranial bones, and allow the skull to expand during growth and childbirth.
Foramina: These are openings in the skull that allow for the passage of nerves, blood vessels, and other structures.
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foot surface anatomy
The surface anatomy of the foot includes several landmarks and structures that are visible or palpable on the skin. Here are some of the main features of the foot's surface anatomy:
Toes: The toes are the digits at the front of the foot. There are five toes in total, each with three phalanges except for the big toe which has two phalanges.Overall, the surface anatomy of the foot is complex and plays an important role in standing, walking, and other activities that involve the lower extremities.
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in total how many body systems work together to maintain homeostasis??
Answer:
2 (nervous and endocrine systems)
Explanation:
Answer: in total there are 11 systems that work together to maintain homostasis
Explanation:
what are mitosomes? in what organisms do they occur?
Answer:
Some unicellular eukaryotic organisms contain mitosomes, which are organelles. The mitosome has only recently been discovered and given its name and little is known about how it works. It is occasionally known as a Crypton.
The mitosome has been detected only in anaerobic or microaerophilic organisms which do not have mitochondria. These organisms do not have the capability of gaining energy from oxidation, which is normally performed by mitochondria. The mitosome was first described in Entamoeba histolytica, an intestinal parasite of humans. Mitosomes have also been identified in several species of Microsporidia and in Giardia intestinalis.
An enzyme that catalyzes the cutting and resealing of DNA, and is translated from insertion sequences, is A) RNA polymerase. B) DNA ligase. C) DNA helicase. D) transposase. E) DNA polymerase.
Answer:
D,Transposases
Explanation:
Transposases are enzymes that catalyze the movement of genetic material from one location in the genome to another. They do this by cutting the DNA at a specific location and then resealing it at a different location, effectively moving the genetic material from one place to another. Transposases are often encoded by transposable elements or "jumping genes" that can move within a genome and cause genetic mutations or changes. The process of transposition can lead to genetic diversity and can also play a role in the evolution of organisms.
what structure of the leaf transports water and nutrients from the roots to the leaves?
The two main vascular tissues are phloem, which carries food from of the leaves to all the plant's components, and xylem, which carries water & dissolved minerals from of the roots to the leaves.
Water and nutrients ingested by the roots are transferred to the leaves via stems. The food that the leaves produce then spreads to other areas of the plant. The xylem cells are the ones that carry out this function. They transfer water. Water & dissolved minerals are distributed upward thru the plant by the xylem, from of the roots to the foliage. Food is transported from of the leaves to a roots through the phloem.
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Which infusion had the most bacteria? Briefly explain why?
Hay infusion had the most bacteria because hay is a nutrient and a microorganism.
Hay infusion is a laboratory technique used to study the diversity and growth of microorganisms in a water sample. To create a hay infusion, a sample of hay or other organic material is added to a container of water, and the mixture is allowed to sit for a period of time, typically a few days to a week. During this time, the hay provides nutrients for microorganisms, which can grow and multiply in the water.
The resulting infusion can be examined under a microscope or cultured on agar plates to identify and study the microorganisms present. Because the hay infusion provides a rich source of nutrients, it can support a wide variety of microbial species, including bacteria, fungi, and protozoa. The diversity and abundance of these microorganisms can provide insights into the ecology and microbiology of the environment from which the water sample was collected.
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Medial and lateral rotation of the knee can occur when the knee is in a ______ position.
Medial and lateral rotation of the knee can occur when the knee is in a flexed position.
When the foot is on the ground, the femur rotates medially during the final 30 degrees of extension and laterally during the first few stages of flexion. The tibia rotates in the opposite direction as the femur when the foot is raised off the ground.
As was said before, medial rotation generally happens while the knee is flexed, but it can also happen when it is in its final stage of extension. Popliteus, Semimembranosus, and Semitendinosus are principally responsible for its production, with the help of Sartorius and Gracilis.
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Select all of the following that are functions of membrane proteins. Please specify the only one that would apply.A) transport chemicals into and out of cellB) form plant cell wallC) provide binding site for cholesterolD) serve as recognition moleculesE) anchor cell membrane to cytoskeleton
The function of membrane proteins that applies is A) transport chemicals into and out of cell.
What is membrane protein?Membrane proteins are proteins that are embedded within or attached to the cell membrane. They have a variety of functions, including:
A) Transport chemicals into and out of cell: Some membrane proteins, known as transporters, allow molecules to move in and out of the cell.
Lastly, D) Serve as recognition molecules: Some membrane proteins have carbohydrate chains attached to them, which act as markers that help the immune system identify and distinguish between different types of cells.
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why was the spontaneous formation of membranes such an important step in cell evolution
A membrane can encompass a solution that differs in composition from its surroundings when it forms on its own.
Membranes provide substrate exchange, sensing, and communication as well as the conservation of life-sustaining energy through chemiosmotic ATP production. Although highly dynamic, membranes are also necessary to preserve the identity and integrity of cells and compartments.
All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane. A live cell needs a membrane to function. In addition to serving as a barrier and a point of attachment, cell membranes have numerous functions in live cells.
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you're a forensic scientist who found a thin, curved bone with two thin layers of compact tissue around a middle layer of cancellous tissue. you would guess right away that this is what type of bone?
The bone that you describe is most likely a long bone. Long bones have a tubular structure, two thin layers of compact tissue enclosing a centre layer of cancellous tissue, and are generally found in the arms and legs.
In addition to serving as anchor points for muscles, tendons, and ligaments, long bones are necessary for both mobility and support. The bone's structure and thin, curved form would suggest that it is a long bone.
The two ends of long bones, referred to as epiphyses, are another distinguishing feature. Bones may move smoothly against one another at joints because of the articular cartilage covering these ends.
The diaphysis, which is the bone's shaft, and the metaphysis, which is the region between the epiphysis and the bone, are both components of the long bone.
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Which of the following compounds does not contain a polyatomic ion?
A. sodium carbonate
B. sodium sulfate
C. sodium sulfite
D. sodium sulfide
The correct option is D. Sodium sulfide. Sodium Sulfide does not contain a polyatomic ion; sodium carbonate, sodium sulfate, and sodium sulfite do contain polyatomic ions.
Sodium sulfide doesn't contain a polyatomic particle. A polyatomic particle is a charged atom that contains more than one iota, which are covalently reinforced and convey a net electric charge. Sodium carbonate (Na2CO3), sodium sulfate (Na2SO4), and sodium sulfite (Na2SO3) all contain polyatomic particles. In sodium carbonate, the polyatomic particle is carbonate (CO3)2-, in sodium sulfate it is sulfate (SO4)2-, and in sodium sulfite it is sulfite (SO3)2-. Interestingly, sodium sulfide (Na2S) is a basic double compound comprised of two components, sodium (Na) and sulfur (S), which are both monoatomic. Hence, sodium sulfide doesn't contain a polyatomic particle.
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what assists in the separation of chromosomes during cell division
Microtubules assist in the seperation of chromosomes during cell division.
The mitotic spindle is a structure that separates the chromosomes. A chromosome is attached to one end of the mitotic spindle's many lengthy proteins, known as microtubules, and a cell pole is attached to the other. At their centromeres, the sister chromatids split simultaneously.
Microtubules are one of the elements of cytoskeleton. Microtubules are the hollow tubes made up of alpha and beta tubulin ends. They are microscopic. Cytoskeleton is a framework of the cell that provides mechanical support to the cell and organizes its content properly. Other than microtubules, microfilaments and intermediate filaments are the elements.
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what are quadrants of the abdomen
Quadrants are the imaginary divisions in the abdomen, classified by anatomists and physicians for the purpose of study, diagnosis, and treatment.
The abdomen is a part of the body sometimes referred to as the belly or torso. The abdomen surface anatomy is divided into quadrants, regions, and planes, which help to localize the anatomical positions of various abdominal organs.
There are four quadrants, which are:
The right upper quadrant (RUQ)- RUQ extends from the median plane to the right of the patient, and from the umbilical plane to the right ribcage. The left upper quadrant (LUQ)- LUQ extends from the median plane to the left of the patient. The right lower quadrant (RLQ) - RLQ extends from the median plane to the right of the patient, and from the umbilical plane to the right inguinal ligament. The left lower quadrant (LLQ)- LLQ of the human abdomen is the area left of the midline and below the umbilicus.Therefore, quadrants are the imaginary divisions of the abdomen which helps to localize the anatomical positions of various abdominal organs.
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which contains the most moisture?
The item that contains the most moisture is D, a wet towel. Here option D is the correct answer.
A wet towel has been completely saturated with water, so it contains the highest amount of water content compared to the other options. Option A, a dry sponge, has no moisture content, as it has not come into contact with any water.
Option B, a moist sponge, contains some water but not as much as a wet towel. Option C, a damp towel, has some moisture content but is not completely saturated like a wet towel.
liquids and semi-solid substances contain the most moisture. For example, fruits like watermelon and oranges, which are made up mostly of water, contain a lot of moisture. Vegetables like cucumber and lettuce also contain a lot of moisture. Dairy products like milk and yogurt, as well as liquid condiments like soy sauce and vinegar, also contain a lot of moisture.
Complete question:
which contains the most moisture?
A. A dry sponge
B. A moist sponge
C. A damp towel
D. A wet towel
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Describe an example of how the chemical environment of a plant can influence phenotype:
The color of hydrangea blooms, for example, is dependent on the pH of the soil. A blue bloom indicates that it is grown in more acidic soil due to the presence of aluminum, whereas a pink flower indicates that it is planted in less acidic soil.
The scientific study of chemical and biological events that occur in natural settings is known as environmental chemistry. Green chemistry, on the other hand, tries to reduce possible pollution at its source.
It is the study of chemical species' sources, reactions, movement, impacts, and destinies in the air, soil, and water environments, as well as the influence of human and biological activities on these.
Environmental chemistry is an interdisciplinary subject that involves atmospheric, aquatic, and soil chemistry, as well as analytical chemistry and being related to other areas of research.
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