Neurons are similar to other cells in body because: Neurons are surrounded by cell membrane. Neurons have nucleus that contains genes. It contain cytoplasm, mitochondria and other organelles.
what are neural signals?
Information from one neuron flows to another neuron across small gap called a synapse (SIN-aps). At synapse, electrical signals are translated into chemical signals in order to cross the gap. Once on other side, the signal becomes electrical again.
The transfer of information from neuron to neuron takes place through release of chemical substances into the space between axon and the dendrites. These chemicals are called neurotransmitters, and process is called neurotransmission. The space between the axon and dendrites is called the synapse
Neurotransmitter release from presynaptic terminal consists of a series of intricate steps:
1) depolarization of the terminal membrane
2) activation of voltage-gated Ca2+ channels
3) Ca2+ entry
4) a change in conformation of docking proteins
5) fusion of the vesicle to the plasma membrane
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Select the correct answer.
Which of the following conditions might prevent a dead body from going through the normal stages of lividity?
O A. muscular state
O B. weather conditions
O C.poisoning
OD.state of rigor mortis
O E.insect activity
Answer:
D. state of rigor mortis
A student pours a spoonful of dirt into a cup of water. The water and dirt are stirred together. The water turns a light brown color. Some dark pieces float to the top of the cup and another dark layer forms on the bottom of the cup. Which statement BEST describes the contents of the cup?
The statements described the contents of the cup is that it is a mixture.
What is the cup?Let us notice that the question that we have here is incomplete but to the best of my ability I would try to explain the concept that is involved here. We know that a mixture would imply any combination of the substances that are not chemically combined together.
We can see that both the water and the dirt are independent substances. They do not mix up at all when we put the dirt in the water. They would continue to be separate from each other although they have been mixed together.
Hence, we can see that putting the dirt and the water in the same place would only lead to the production of a mixture of substances as we have described in the answer stated here.
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Lesson Question:How can the presence of
one species benefit another in the same
ecosystem?
Check all correct elements below that you
included in your question.
independent variable: presence of one
species (here, worms)
dependent variable: effect on another
species (here, lima bean plants)
relationship: benefit
DONE
Mutualism is a type of symbiotic relationship where all species involved benefit from their interactions.
How can the presence of one species in the same ecosystem assist another?A mutualism occurs when two species have a long-term relationship that benefits both of them (+/+ interaction). Some fungi, for example, create mutualistic relationships with plant roots. The plant may photosynthesize and gives fixed carbon to the fungus in the form of sugars and other organic compounds.
The presence of several species in an ecosystem balances it. The species in an ecosystem interact with one another in some way. For example, the existence of a plant species will offer food for the numerous herbivores found in an ecosystem. A predator may consume a variety of prey. As a result, the existence of diverse prey reduces the likelihood of a species becoming extinct in the ecosystem. As a result, all creatures in an ecosystem are dependent on one another in some way.
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Which option is a renewable source of energy?
a.Petroleum
B. Wind
C. Nuclear power
D. Coal
Answer:
B. Wind
Explanation:
Because nature constantly replenishes the wind, we can continue to harness its power without worrying about running out of it.
Biology please help grade 11th
Mutation may or may not affect the phenotype.
Cause: Point Mutation
Effect A: Altered Splice Site
Effect B: Lack of Regulation
Effect C: No Change
Effect D: Non-Coding Regions
Effect E: Premature Stop Codon
What is Mutation?
Mutation is the process of changing the genetic material of an organism. It is the basic process of evolution, and it can occur naturally or be artificially induced. Mutations can be beneficial, neutral, or harmful, and they can affect a single gene, multiple genes, or the entire genome.
A mutation can affect the phenotype, or visible characteristics, of an organism by changing the expression of a gene or by altering the structure of a gene product. Some mutations can have severe effects on an organism’s phenotype, while other mutations may have no noticeable effect. In some cases, a mutation may lead to a change in an organism’s phenotype without changing the underlying genetic code. For example, a mutation in a gene that regulates the expression of other genes may lead to a change in the expression of those other genes, resulting in a change to the phenotype.
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evaluate the effects that the harmful substances have on the effeciency of aerobic respiration and how this affects metabolic pathways
pollutants (asbestoos, oxidants)
drugs( ketamine, cocaine)
chemicalsin cigarettes( toxins, tar, nicotine
The life activity known as synthesis is chiefly characterized by the:
A) Distribution of essential compounds throughout an organism.
B) Production of complex molecules from simpler ones.
C) Elimination of waste products from the organism.
D) Regulation of physiological activities.
Answer:
B) Production of complex molecules from simpler ones.
Explanation:
Synthesis is the process of combining simpler molecules to form more complex ones. This can occur through various chemical reactions within an organism. The other choices do not accurately describe the process of synthesis.
A) Distribution of essential compounds throughout an organism - This refers to the transport of essential molecules within an organism, rather than the production of complex molecules from simpler ones.
C) Elimination of waste products from the organism - This refers to the removal of waste products, rather than the production of complex molecules.
D) Regulation of physiological activities - This refers to the control of physiological processes, rather than the production of complex molecules.
Do others in the field of anthropology agree with Dr. Thorne's view? Explain.
Others in the field of anthropology does not agree with Dr. Thorne's view because they believe his results may be contaminated or misinterpreted.
What is Anthropology?This is a field of science which is referred to as the study of the origin and development of human societies and cultures through evolutionary history etc.
Some scientists like Gregory Adcock agree with Thorne's theory of regional continuity but others such as Chris Stringer and Ian Tattersall, does not believe Thorne's results because they feel it may be contaminated or misinterpreted which is therefore the reason why it was chosen as the correct choice.
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A forest has not experienced any severe weather changes for several years. The ecosystem supports a stable population of deer. What is the most likely reason for this stability?
Answer:
The most likely reason for this stability is that the forest has remained relatively unchanged for several years, which allows the deer population to stabilize
A. The boiling point of the water is 100°C. Where are 100 degrees Celsius?
Located
On the thermometer on the right?
HELP ME, PLEASE!!!
A. O ponto de ebulição da água é de 100°C. Onde estão 100 graus Celsius
localizados
no termômetro à direita?
ME AJUDEM POR FAVOR!!!
What does it mean to have a mutation in a cystic fibrosis gene
Answer:In cystic fibrosis, a defect (mutation) in a gene — the cystic fibrosis transmembrane conductance regulator (CFTR) gene — changes a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat.
Explanation:
If a person lives at high altitudes for an extended period of time, other body responses occur. One response is an increase in the number of red blood cells.
C. Explain how this response is helpful to the body.
At high altitudes, air temperature is also generally colder than at sea level.
D. Describe and explain one internal body response that occurs when a person has been outside long enough for his core temperature to drop.
Answer:
When a person has been outside long enough for their core temperature to drop, their body will respond by shivering. Shivering is an involuntary muscle movement that helps to generate heat and raise the core body temperature back to a normal level. This is an important response as it helps to protect the body from hypothermia, a dangerous condition in which the body's core temperature is too low.
Explanation:
Jin is a world-renowned toxicologist. He is sometimes called in to zoos, wildlife refuges, and other facilities to help when an animal is sick. For which situation would Jin MOST likely be asked to consult?
A.
an aviary has an outbreak of polyomavirus among their macaws
B.
a herd of wild buffalo began to exhibit vomiting after spending time in a valley
C.
a circus has an elephant that is nearing the end of a difficult pregnancy
D.
a city zoo has an 89-year-old tortoise that shows signs of gout
The situation that would trigger Jin to be most likely consulted is when a herd of wild buffalo began to exhibit vomiting after spending time in a valley (option B).
Who is a toxicologist?A toxicologist is a scientist or physician who specializes in toxicology, which is the branch of pharmacology that deals with the nature, effect, detection and treatment of poisons and poisoning.
According to this question, Jin is a world-renowned toxicologist and is sometimes called in to zoos, wildlife refuges, and other facilities to help when an animal is sick.
This suggests that Jin, the toxicologist would most likely be called to attend to the herd of wild buffalo exhibiting vomiting after spending time in the valley.
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2. Coastlines are continually eroded by what
process? sc.6.E.6.2
A longshore currents
B parallel shore currents
C shortshore currents
D perpendicular shore currents
???????????
Coastlines are continually eroded by longshore currents, which are currents that flow parallel to the shoreline. These currents can be caused by the wind and waves, and they can transport sediment (such as sand and gravel) along the coast. As the sediment is moved and deposited, it can cause the coastline to change shape and erode over time.
Answer:
Explanation:
Coastlines are continually eroded by longshore currents.
Longshore currents are ocean currents that flow parallel to the shoreline. They are created when waves approach the shore at an angle, and the water is deflected by the friction of the bottom and the shape of the coastline. The resulting current flows parallel to the shore, and can cause erosion of the coastline over time.
Parallel shore currents and shortshore currents are not correct terms. Perpendicular shore currents are not a natural phenomenon and do not occur in the real world.
_BF3+_LiSO3 = _B2(SO3)3 + _LiF
What’s the answer if you balanced it
Chemical equations may only be balanced by changing the coefficients; subscripts cannot be changed. The ratios of the atoms in the molecule and the resulting chemical characteristics alter when subscripts are changed.
What are the parameter to balance the chemical equation?Place coefficients in front of symbols or formulas as necessary to balance chemical equations so that the same number of each type of atom appears in both reactants and products.
Therefore,To indicate the unknown coefficients, give the equation a variable name for each chemical (reactant or product).
[tex]\rm ABF_{3}+ bLiSO_{3} = CB{2}(SO{3}){3} + dLiF{2}[/tex]
[tex]\rm 2BF{3} + 3LiSO{3} = B{2}(SO{3}){3} + 3LiF{2}[/tex]
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The steepness of a line segment on a distance VS. time graph indicates which things about the motion of an object?
upward-sloping line segment: The steeper the slope, the faster the motion.
downward-sloping line segment: The steeper the slope, the faster the motion.
upward-sloping line segment: The steeper the slope, the slower the motion.
downward-sloping line segment: The steeper the slope, the slower the motion.
upward-sloping line segment: The steeper the slope, the slower the motion.
downward-sloping line segment: The steeper the slope, the faster the motion.
•
upward-sloping line segment: The steeper the slope, the faster the motion.
downward-sloping line segment: The steeper the slope, the slower the motion.
Explanation:
answer to the question of how you can find the answer is by finding the answer
definition for artificial language
Answer:
An artificial language is a language that has been created by humans, as opposed to a natural language, which is a language that has evolved naturally over time. Artificial languages are typically constructed to be used as a means of communication between humans, although they can also be used for other purposes, such as computer programming.
Explanation:
What is the scientific name for duckweed?
Answer:
Lemnoideae
Explanation:
got it off googl e lol
Answer:
Lemnoideae
Explanation:
scientific are weird aren't they?
Is there an impact on the environment if blue whales went extinct?
Answer:
Yes.
Explanation:
Blue whales are the largest animals in the world, and they are the apex predator in the ocean, meaning they help to regulate the population of other species in the ecosystem. As with any species, the loss of blue whales would cause imbalances in the food chain, which would have far-reaching effects throughout the ocean and its inhabitants. In addition, blue whales help maintain the balance of carbon dioxide in the ocean which could be lost if the species were to go extinct.
What does working out have to do with the characteristics of life? 100 POINTS!!!!!!!!!
Increasing life expextancy by several years.
Hope this helps!!
Answer:
Working out regularly can improve your muscle strength and boost your endurance. Moving our body delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
By having more energy to do daily activities your life expectancy and quality can increase significantly.
How would i fill this in?
Relation between variables are the different born percentages in sea turtles.
What percentage of sea turtles are female?
Green sea turtles from cooler southern nesting strands were about 65 to 69 percent lady, testing showed. Sea turtles from warmer northern strands leaned indeed more heavily womanish, with86.8 percent of adult turtles,99.8 percent of sub-adult turtles, and99.1 percent of juvenile turtles turning out to be womanish.
How long does it take for a sea turtle to incubate?
The incubation time for utmost species is 45 to 70 days. exploration indicates that the coitus of an embryo is dependent on the temperature of the nest. Lower nest temperatures produce further males; advanced temperatures produce further ladies. For green ocean turtles, a nest temperature of 28 °C(82 °F) or below produces substantially males.
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Photosynthesis is the critical process for life to exist. On Earth, it is certainly the
fundamental biological process that all forms of life rely on. This is a process is
carried out by most plants, algae, and some cyanobacteria. The process has
these organisms take in carbon dioxide, water, and minerals. Then with the help of
sunlight it creates sugars that provide the organism nourishment and life-giving
oxygen.
What is the main idea of the above passage?
Answer: Photosynthesis is the critical process for life to exist.
Explanation:
The main idea is on the first line.
You can see all the information afterwards are leading to the explanation of the process of photosynthesis.
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Question 5 of 5
New Mexico and Arizona are in a
hot, and the region gets fewer than 10 inches of rain each year.
A. temperate forest
OB. grassland
C. chaparral
D. desert
ecosystem. Temperatures are very
SUBMIT
(RrYy x RrYy), how many of the offspring will be dominant for both traits?
9 of the offsprings will be dominant for both traits in the above dihybrid cross.
What is a dihybrid cross?A dihybrid cross is a cross between two individuals with two observed traits that are controlled by two distinct genes.
Gregor Johann Mendel known as the father of genetics was the first person to discover the basic principles of heredity during the mid-19th century.
In a dihybrid cross between two parents that are heterozygous for both traits, the cross will result in four different combinations of seeds in the F2 generation as follows:
wrinkled-yellow round-yellowwrinkled-greenround-greenThese offsprings are in the phenotypic ratio of 9:3:3:1 where 9 represents the offsprings dominant for both traits.
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A new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors. How could energy have played a role in the different rock types forming?
Note that where a new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors. Energy could have played a role in the different rock types forming in that "Energy from different sources leads to different types of rock. Energy inside Earth melts rock into liquid rock, but energy from the sun causes rock to weather into small pieces of rock." (Option C)
What is rock formation?A rock formation is a solitary, picturesque, or outstanding outcrop of surface rock. Weathering and erosion shape the existing rock, resulting in rock formations. In stratigraphic and petrologic investigations, the phrase rock formation can also refer to specific sedimentary layers or other rock units.
Energy can be involved in the production of various rock types in a variety of ways. One option is metamorphism, which occurs when rock is exposed to high temperatures and pressures, leading it to alter in composition and structure.
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Full Question:
A new national park has two caves that visitors can see. One cave is made of a different type of rock than the other one. Park rangers want to explain the difference to visitors.
How could energy have played a role in the different rock types forming?
Answer choices
Energy causes different types of rock to change in different ways. Energy changes igneous rock into liquid rock and changes sedimentary rock into small pieces of rock.Energy caused one rock type to form, but not the other. Rock that forms because of energy is a different type of rock than rock that forms without energy.Energy from different sources leads to different types of rock. Energy inside Earth melts rock into liquid rock, but energy from the sun causes rock to weather into small pieces of rock.Energy changes rock on different continents in different ways. Each continent on Earth has different rock that might form liquid rock or small rock pieces when exposed to energy.Dimethylmercury is non polar volatile liquid that is lethal to animals. It’s structure is CH3-Hg-CH3. Predict the mechanism and timeframe of passage into cells for dimethylmercury based upon its chemical properties.
The dimetylmercury is a fat soluble compound thus it can pass into the cells easily through the lipid bi layer.
How does the compound work?We know that the compounds that are water soluble would have to be ionic. It is very vital that we start the discussion from here because we ought to know that the compounds that are covalent would not be found to dissolve in water.
On the other hand, we have to recall that the entrance of the cell is a nonpolar region as that area is mostly filled with the fats that we can find around there. It then means that the compounds that may be able to pass into the cell very freely has to be the compounds that are fat soluble based on its chemical properties.
We must recall that Dimethylmercury is non polar volatile and as such it can be able to pass through the membrane and enter into the cells.
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4. Carla placed three identical plants on a
sunny windowsill. Using the same amount
of water each time, she watered one plant
twice a day. She watered the second plant
once a week. She did not water the third
plant. After three weeks, she found that the
plant watered once a week was thriving.
The plant that was watered twice a day
was dying. The plant that was not watered
was brown and dead. What conclusion can
Carla draw?
A. Water causes plants to die
B. Plants need a certain amount of water to live
C. Plants should not be placed on sunny windowsills
D. Plants do not live very long
The conclusion is that plants need a certain amount of water to live. Therefore, option B is correct.
What is the effect of water on the life of a plant?Water is a very important factor that affects the life of a plant. Water is required by plants to perform photosynthesis, through which they make food. If a certain amount of water does not available for plants then they will dry due to lack of food.
It is also required for the cooling and transportation of minerals and nutrients in the plant.
Plants need a certain amount of water to live. Therefore, option B is correct.
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Check all characteristics of life:
- Complex, ordered organization consisting of one or more cells (1)
- Use and transforms energy to perform work (2)
- Sensitive and responsive to the external environment (3)
- Regulate internal conditions(4)
- Grow, develop, and reproduce(5)
- Evolutionarily adapt and over time undergo descent but with modification(6)
The characteristics of life are complexity, ordered organization, energy use and transformation, and regulation of internal conditions. and all of the statements about life forms are correct.
What are the characteristics of the life forms?There are both eukaryotic and prokaryotic life forms, as well as unicellular and multicellular animals, but all life forms grow, take nutrients, adapt, and evolve; some can regulate their internal temperature, use energy, and transform it, such as in photosynthesis.
Hence, the characteristics of life are complexity, ordered organization, energy use and transformation, and regulation of internal conditions. and all of the statements about life forms are correct.
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Do red blood cells have heterochromatin?
Yes, red blood cells have heterochromatin. Heterochromatin is a part of eukaryotic genomes responsible for gene expression DNA Repair and replication.
Differentiation of Erythroid to mature red blood cells(RBC) is done by multiple erythropoietin operated by signal transduction pathways, this process is also called terminal erythropoiesis. During this process chromatin gradually condenses which is critical for red cell terminal differentiation and final enucleation.
Therefore, the deciphered red blood cells could gain more space for hemoglobin development and flexibility to pass through terminal capillaries.
Chromatin exists in two forms euchromatin, is less condensed, and can be duplicated whereas heterochromatin, is highly concentrated and is typically not duplicated.
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what are herbivorous plants?
Answer:
What is herbivory?
Herbivory is the act of eating plants. Herbivory occurs above and below ground. Herbivores may eat any part of the plant above the soil including leaves, stems, flowers, fruit and any part of the plant below the soil including roots and tubers.
What are herbivores plants?
Plants that are parasites can still be considered herbivores. A parasite is an organism that lives on or in another organism and gets its nutrients from it. Parasitic plants get their nutrients from other plants, called host plants.