Suppose a particular neurotransmitter causes an IPSP in postsynaptic cell X and an EPSP in postsynaptic cell Y . A likely explanation is that A. the threshold value in the postsynaptic membrane is different for cell X and cell Y. B. the axon of cell X is myelinated, but that of cell Y is not. C. only cell Y produces an enzyme that terminates the activity of the neurotransmitter. D. cells X and Y express different receptor molecules for this particular neurotransmitter.
Answers
Assume that a specific neurotransmitter causes an IPSP in postsynaptic cell X and an EPSP in postsynaptic cell Y. One possible explanation is that cells X and Y express different neurotransmitter receptor molecules.
What is meant by neurotransmitter?A neurotransmitter is a signaling molecule secreted by a neuron to influence another cell across a synapse. Another neuron, a gland, or a muscle cell could be the cell receiving the signal, which could be any major body part or target cell.A neurotransmitter is a chemical messenger that transports, amplifies, and balances signals across the body between neurons (also known as nerve cells).Assume that a particular neurotransmitter produces an IPSP in postsynaptic cell X and an EPSP in postsynaptic cell Y. Cells X and Y may express different neurotransmitter receptor molecules, which is one possible explanation.Therefore, the correct answer is option d. cells X and Y express different receptor molecules for this particular neurotransmitter.
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Related Questions
Identify if it is true or false
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Answer:
1 is true
2 true
3 true
4 false
2) true
3) false, gases are the lowest
4) false
5)true
osteons are irregular holes from the bars and plates that make up spongy bone.True or False?
Answers
Osteons are irregular holes from the bars and plates that make up spongy bone. False.
What are osteons?
They are cylindrical vascular tunnels formed by osteoclast-rich tissue. They contain pluripotent precursor cells and an endosteum known as the cutting cone. The bone that is removed by the cutting cone is replaced by osteoblast-rich tissue.To know more about osteons, click the link given below:
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ANSWER AND ILL GIVE BRAINLIEST AND 70 POINTS!!!
Answers
You have developed a drug that blocks the action of short peptide chemical communication signals. The end result would be:
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The main result of blocking the action of short peptide chemical communication signals with the developed drug would be disruption or interference with intercellular communication processes mediated by these peptides.
Short peptide chemical communication signals play a crucial role in intercellular communication within organisms. They act as signaling molecules that transmit information between cells, coordinating various physiological and biochemical processes. By blocking the action of these short peptide signals with the developed drug, the communication between cells that relies on these signals would be disrupted or impaired.
The drug's mechanism of action could involve binding to the receptors or enzymes involved in the signaling pathway, inhibiting their function, or interfering with the production or release of the short peptides themselves. As a result, the transmission of signals that regulate processes such as cell growth, differentiation, immune responses, and hormonal regulation could be disrupted.
The specific consequences of blocking short peptide chemical communication signals would depend on the particular signaling pathways and the functions of the peptides involved. It could lead to abnormal cellular responses, altered physiological processes, and potential imbalances in homeostasis.
Therefore, the overall result of blocking these signals would be a disruption in intercellular communication and subsequent effects on various biological processes.
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In dogs, the allele for short hair (H) is dominant over the allele for long hair (h). Two short-haired dogs are the parents of a litter of 8 puppies. Six puppies have short hair and two have long hair. What are the genotypes of the parents?
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Hope it helps.
If you have any query, feel free to ask.
which of the following are true or a moss sporopnyte? Select all that apply.
A. It develops from a spore.
B. It is separate from the gametophyte.
C. It develops from an embryo.
D. It is attached to the gametophyte.
Answers
The correct statements regarding a moss sporophyte are:
A. It develops from a spore.
B. It is separate from the gametophyte.
D. It is attached to the gametophyte.
A moss sporophyte does develop from a spore. The spore germinates and grows into a multicellular structure known as the sporophyte.
The sporophyte is separate from the gametophyte. In mosses, the gametophyte is the dominant photosynthetic phase of the life cycle, while the sporophyte is a smaller, dependent structure that is attached to the gametophyte.
However, it is important to note that moss sporophytes do not develop from an embryo (statement C). Embryos are structures found in higher plants (e.g., angiosperms), which have a more complex life cycle involving seeds and embryos.
So, the correct answers are A, B, and D.
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Anaerobic respiration released less energy than aerobic respiration
True
False
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Answer:
True
Explanation:
Anaerobic respiration is done when your doing a physical activity.
Use the diagram below to answer the following questions for 1 point each- explain the role of DNA in protein synthesis
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Answer:
Regarding protein synthesis:
The role of DNA in protein synthesis is to contain the genetic information necessary for a specific protein to be manufactured, by transcribing it into mRNA.The role of mRNA in protein synthesis is to conduct the sequence of nitrogenous bases, organized in triplets or codons, to the ribosome for translation and initiation of synthesis.The processes of transcription and translation occur in the cell nucleus and cytoplasm, respectively.Explanation:
DNA is a molecule that contains the genetic information of an individual in a specific sequence of nitrogenous bases that are part of its structure. The process of transcription occurs in the cell nucleus and consists of the synthesis of a single-stranded mRNA molecule from one of the DNA strands.
The role of DNA in protein synthesis in the transcription of genetic information into mRNA.
Molecule of mRNA is that carries the sequence of nitrogenous bases that make up the genetic code, i.e., sequences of triplets or codons that encode the start of protein synthesis, the amount, type and order of amino acids of a protein, and the stop of synthesis.
The translation process —which occurs in the cytoplasm— is performed when the ribosomes read the genetic code and begins the union of amino acids into polypeptide chains. The role of mRNA in protein synthesis is then to drive the genetic code into the ribosome for translation.
How does carbon enter the food chain?
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Answer:
Carbon is in almost everything. Carbon can come into the food chain from what animals eat and drink. Carbon can also come into plants from the soil absorbing dead animals.
A worker who fixes farm machinery would be most susceptible to which of the following injuries?
heat stroke and rollovers
O equipment malfunctions and bone injuries
O chemical burns and animal infections
falls and respiratory problems
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Answer:
Explanation:
i believe it would be equipment malfunctions and bones injuries
Eukaryotic promoters contain the sequence TATAAT at the ______ position from the transcription start.
Answers
Genetic crosses involving a particular type of flower exhibit complete dominance with respect to petal color. Red (R) is dominant to white (1)
Using the Punnett square, what is the expected percentage of offspring that will have white flowers from a cross of parent flowers with a genotype of Rr.
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What human factor has an impact on the flooding of the Yangtze River
Answers
Answer:
Deforestation directly increases erosion and siltation rates. There is an increased risk of flooding in Yangtze River basin in China and the major river basins in East Asia and the Amazonian basin .
Explanation:
The brain dysfunction associated with autism spectrum disorder (ASD) can sometimes involve the cerebellum and sometimes involve the frontal cortex.
a. True
b. False
Answers
a. True is the correct answer.
What is ASD?Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects communication, social interaction, and behavior. The exact cause of ASD is not fully understood, but it is believed to involve a combination of genetic and environmental factors.
Brain imaging studies have shown that individuals with ASD often have structural and functional abnormalities in several areas of the brain, including the cerebellum and frontal cortex.
The cerebellum is involved in motor control, balance, and coordination, but research suggests that it may also play a role in higher cognitive functions, such as language, attention, and social interaction. The frontal cortex, on the other hand, is responsible for a range of executive functions, including decision-making, planning, and impulse control, as well as social cognition and emotional regulation.
The dysfunction associated with ASD in these brain regions can manifest in different ways, depending on the individual. Some individuals with ASD may have difficulty with motor coordination and balance, while others may have trouble with language and communication.
Some individuals may exhibit impulsivity, while others may struggle with social interaction and emotional regulation. Therefore, it is true that the brain dysfunction associated with ASD can sometimes involve the cerebellum and sometimes involve the frontal cortex.
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С C
14. State any five reasons why we study biology.
15. A) Draw and label a plant cell.
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Answer:
14.
Wide Selection of Disciplines.It's Fun to Study Biology.Biology Has a Wide Area of Application.Great Entrepreneurship Potentials.Greater Employment Prospects.High Salary Potentials.It's Humanitarian.Help You Protect Yourself and Educate Others.15. picture is above
Explanation:
PLEASE MARK ME BRAINLIEST
Which of the following best describes the "social sciences"?
Sciences that focus on researchers conducting objective studies
Sciences that are able to objectively measure human behavior
Sciences that focus on human behavior and society
Sciences that objectively measure natural phenomena
Answers
Answer:
c. Sciences that focus on human behavior and society
Explanation:
most logical answer
do mast cells have clathrin
Answers
Mast cells have clathrin.
Clathrin is a protein complex involved in endocytosis and cell signaling, it is found in a variety of cell types, including mast cells. Mast cells are a type of white blood cell that is found throughout the body, they play a crucial role in the body's immune response by releasing various chemicals, such as histamine and cytokines, in response to allergens and other stimuli. Mast cells have many different receptors on their surface that allow them to detect a wide range of signals. These signals can trigger the release of various chemicals from the cell, including histamine and other inflammatory mediators.
Clathrin is a protein complex involved in endocytosis and cell signaling. It is found in a variety of cell types, including mast cells. Endocytosis is a process by which cells take up molecules and particles from their environment.Clathrin is composed of three heavy chains and three light chains, which combine to form a cage-like structure that surrounds and internalizes the target molecule or particle. The internalized cargo is then transported to other parts of the cell or to the cell surface for secretion or recycling.
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Homeostasis is the process of maintaining a cell's environment. This
includes the regulation of sodium ion (Na+) concentration within the
cytoplasm. If too much Na+ is inside a cell, how can the concentration be
changed?
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Suppose a cell’s Golgi apparatus does not function properly. How might this problem affect other cells?
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If the cell manufactures proteins that are normally released to travel to other cells. Those cels would not receive the proteins. The loss of these proteins might cause the "receiver" cells to function poorly.
Hope this helps!
3Which of the following best describes the relationship between natural selection and
beneficial traits?
re passed on to
A
Natural selection is the process by which beneficial traits are
offspring in subsequent populations.
B
Beneficial traits and natural selection are both mechanisms by which genes are
passed from a parent to an offspring.
C
Beneficial traits allow an organisms to be better suited to its environment.
Natural selection determines which traits are beneficial and which are
mutations.
D There is no relationship between natural selection and beneficial traits.
Answers
The relationship between natural selection and beneficial traits is best described by beneficial traits that allow an organism to be better suited to its environment (Option C).
Nаturаl selection is а mechаnism of evolution. Orgаnisms thаt аre more аdаpted to their environment аre more likely to survive аnd pаss on the genes thаt аided their success. This process cаuses species to chаnge аnd diverge over time.
In nаturаl selection, genetic mutаtions thаt аre beneficiаl to аn individuаl's survivаl аre pаssed on through reproduction. This results in а new generаtion of orgаnisms thаt аre more likely to survive to reproduce.
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A body of water with a mountain range in the background. the landform pictured here is most commonly formed at what type of plate boundary?
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The landform pictured here is most commonly formed by the convergent boundary.
What is the convergent boundary?A convergent boundary (also known as a destructive boundary) is a section of the Earth's surface where two or more lithospheric plates collide. Subduction is the process through which one plate moves beneath the other. The Wadati-Benioff zone, a plane where many earthquakes occur, defines the subduction zone. These collisions occur on timescales ranging from millions to tens of millions of years and can result in volcanism, earthquakes, orogenesis, lithosphere damage, and deformation. Convergent borders occur between the oceanic and continental lithospheres, as well as the oceanic and continental lithospheres. The geologic features associated with convergent boundaries differ depending on the type of crust.Therefore, the landform pictured here is most commonly formed by the convergent boundary.
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Answer:
Covergent Boundary
Explanation:
Reasoning is an accurate statement that answers a question.
O True
O False
Answers
This is not much of an answer, but here is my thinking.
Yes and no?
Yes because reasoning is "the action of thinking about something in a logical, sensible way."
No because it is not always answering a question.
Hope this helps in at least some way
Good luck! :D Have a nice day :)
One division of a cell → two identical, diploid (2n) cells.
Diploid: _______ Cell with sets of chromosomes.
Answers
Answer: Daughter Cell
Explanation: Not one hundred percent sure this is the answer because there’s no context but the phrase Daughter Cell is used to describe two newly created cells from mitosis.
In three to five sentences explain how resource scarcity, competition, and the survival of organisms are connected.
Answers
Explanation:
Resource scarcity and competition are closely linked because when resources become limited, organisms are forced to compete with each other for access to those resources. This competition can be intense and can have a significant impact on the survival of organisms. The organisms that are best adapted to compete for resources are more likely to survive and pass on their genes to the next generation, while those that are less successful may struggle to survive and reproduce. Ultimately, competition for resources is a key factor in determining which organisms survive and thrive in a given ecosystem.
Explain at least one way in which water resources have been affected by human population growth. Predict how you think the water supply will be affected by continued human population growth. Justify your answer using evidence.
Answers
by the contamination of drinking water with sewage when tje pipes for the transportation of drinking water and disposal of sewage are drawn together in cities
2. Use the following terms to match the correct example: organism community ecosystem
population biome
ecology
a. A blue heron sits beside a pond.
b. The study of the interactions among living things and their surroundings.
c. Most of Costa Rica has dense forests with much rainfall and biodiversity.
d. 200,000,000 black ants are in a line to the picnic table.
e. On the campus of LHS, birds, squirrels, and mice live together.
f. In a swamp, there is grass, mud, fish, alligators, rain, algae, and warm weather.
Answers
Answer:
f
Explanation:
Betty the botanist wanted to test the affects of chlorine on plants. To do this, Betty added chlorine
to the water she used to water the plants. She used five identical plants, which were planted, in the
same type of pot with the same type of soil, and each were exposed to the same amount of
sunlight. Betty gave each plant the same amount of water. However, to the first plant's water she
added 10 grams of chlorine, to the second plant's water she added 8 grams of chlorine, to the third
plant's water she added 6 grams of chlorine, to the fourth plant's water she added 4 grams of
chlorine, and to the fifth plant's water she added no chlorine. After two weeks, she noted that the
first plant was dead, the second was near death, the third was wilted, the fourth had a few dead
leaves, and the fifth was fine.
Answers
Chlorine is micronutrients, too much chlorine may lead to toxicity in plants, it can result in to burned appearance in leaves.
What are micronutrients?The nutrients which are less Essential to plants for there growth. For example Boron, chlorine, mangnese, molybdenum, iron, zinc.
Chlorine is also on of micronutrients , it not that much essential and if there is too much chlorine it can lead to brown or dead tissue on the tips ,margins between the veins of leaves.
As she has put chlorine in plants without the particular amount needed the plant ,so the plants lead to toxicity. And the fifth plant do not contain any chlorine it is alive.
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What is the primary role that plants play in the carbon cycle?
Answers
the prime role is that plants take carbon and it helps to make our life clean and stop increasing carbon that cause global warming and plants give us oxygen and take carbon by photosynthesis to make their food and when plants die maybe it turns to fossil fuel that be made from carbon like coal and petroleum
Why is rDNA important?Recombinant hepatitis B vaccine production:
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Recombinant DNA, or rDNA, is vital because it lets scientists change and use DNA sequences to make new molecules that do specific things. Pill, agriculture, and environmental science are just a few of the biological and biotechnological fields this technology has revolutionized.
The production of recombinant hepatitis B vaccines is one application of rDNA technology. A serious viral infection known as hepatitis B can cause liver disease and cancer. The recombinant hepatitis B immunization is made by embedding the quality of the hepatitis B surface antigen into a bacterium or yeast cell. The surface antigen protein, which is used to make the vaccine, is then produced in large quantities by the cell.
In the past, vaccines were frequently produced by cultivating viruses in culture and then inactivating or attenuating them prior to use as vaccines. The vaccine may still contain residual viral activity due to this time-consuming procedure. Many important vaccines, including those for hepatitis B, HPV, and COVID-19, have been developed through the faster, safer, and more efficient use of rDNA technology in the production of recombinant vaccines.
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redness and hypertrophy of the nose with small-to-large, irregular lumps in the skin is known as:
Answers
Redness and hypertrophy of the nose with small-to-large, irregular lumps in the skin is known as rhinophyma.
Rhinophyma is a subtype of acne rosacea that affects the nose, causing it to become red, swollen, and bumpy. It is a slowly progressive condition that can lead to disfigurement of the nose, and it is more common in men than in women. While the exact cause of rhinophyma is not fully understood, it is believed to be related to the chronic inflammation associated with rosacea. Treatment options for rhinophyma include topical and oral medications, laser therapy, and surgery. In some cases, a combination of treatments may be recommended to achieve the best possible results.
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