Answer:
The correct answer would be "with the help of specific receptors present on target cells".
A hormone is defined as a chemical signal molecule produced by specific endocrine gland in multi-cellular organisms.
These hormones are transported with the help of the circulatory system and help in regulating the functions of specific cells or tissues.
The hormones are highly specific in their functions.
This specificity is achieved with the help of specific receptors present on target cells.
For instance, the receptors of steroidal hormones are present in the cytoplasm or on nuclear membrane whereas the receptors of protein hormones are present the plasma membrane.
Which two actions happen when bonds in ATP molecules are broken?
The ATP molecule is a high energy molecule. When a molecule of ATP breakdown, it produces chemical as well as thermal energy. The type of energy produced is mainly depends on the application for example, if the ATP breaks down to ADP, it produces thermal energy and if couples with a cellular process it produces chemical potential.
Our body needs energy to carry out cellular functions and the energy produced in a form of ATP is taken by cells to perform functions.
A(n) _______ is often responsible for our disliking of a particular food after gastric illness.
a. odor trauma
b. learned taste aversion
c. virus
d. odor dilemma
e. restricted aversion
Final answer:
A learned taste aversion is the psychological phenomenon responsible for disliking certain foods after feeling ill. It is considered an evolutionary adaptation to help avoid harmful foods, demonstrated through research that shows how organisms are conditioned to avoid tastes associated with sickness.
Explanation:
A learned taste aversion is often responsible for our disliking of a particular food after gastric illness. This phenomenon occurs when an association is formed between a food item consumed and a subsequent feeling of nausea or illness, despite the fact that the food itself might not be the actual cause of the illness. This type of conditioning is quite robust, and an interval of several hours may pass between the ingestion of the food (the conditioned stimulus) and the onset of nausea or illness (the unconditioned stimulus).
Research into taste aversion reveals that it may be an evolutionary adaptation that helps organisms quickly learn to avoid harmful food, thus contributing to species survival through natural selection. Experiments, such as those conducted by Garcia and Koelling, have demonstrated that certain types of conditioning have biological constraints, showing that rats could easily be conditioned to avoid flavors associated with illness, but not lights and sounds. This emphasizes that classical conditioning can be critical for helping organisms avoid dangers to their health.
The earliest elephants evolved during the: Paleocene Eocene Oligocene Holocene
The correct answer is option (B) eocene era.
The eocene era is one of the divisions of the geological time scale characterized by the little or no ice with a small difference in temperature from the equator to the poles. It began 56 million years ago and the amount of oxygen was high compared to the previous era. Green house gases like methane and carbon dioxide were also present in the atmosphere. The oldest fossil evidences of the mammals appear during eocene period. It was characterized by the presence of the early primates, whales, horses and early elephants.
Elephants are the members of the family Proboscidae and the first proboscidaen is said to evolve during the late eocene era, about 35 million years ago. It was called the Paleomastodon with the size of a cow and had tusks and a trunk.
An experiment in which neither the experimental unit nor the researcher in contact with the experimental unit knows which treatment the experimental unit is receiving is called a _______.
Final answer:
A double-blind study is a research design where neither the participants nor the researchers know who is in the experimental or control groups, preventing bias and increasing the reliability of the results.
Explanation:
An experiment in which neither the experimental unit nor the researcher in contact with the experimental unit knows which treatment the experimental unit is receiving is called a double-blind study. In such a study, both the subjects (or participants) and the researchers are unaware of who has been assigned to the experimental group or the control group. This design is critical in scientific research as it helps prevent bias in the outcomes, ensuring that the results are more reliable and valid.
What parts of a nucleotide make up the backbone of a nucleic acid? pairs of nitrogen bases pairs of sugars sugar and nitrogen base sugar and phosphate
answer is sugar and phosphate.
untreated gastroesophageal reflux increases the risk for the more serious condition known as ____.
How is sympatric speciation similar to allopatric speciation?
A. They both are mechanisms by which new species arise.
B.They both result in a subspecies evolving into a subpopulation.
C.They both involve joining two gene pools that were formerly separated.
D.They both involve speciation due to physical barriers.
I Think The Answer is A. but i'm not sure tell me if i am correct or not! They both are mechanisms by which new species arise.
They both are mechanisms by which new species arise.
Sympatric speciation and allopatric speciation are both mechanisms of species creation. Allopatric speciation occurs when a population is physically divided and evolves distinctly, while sympatric speciation happens within the same location, often due to niche differentiation or genetic changes causing reproductive isolation.
Indeed, you are correct. Both sympatric speciation and allopatric speciation are mechanisms by which new species arise. Allopatric speciation occurs when a population is separated by a physical barrier (like a mountain or a river), which prevents gene flow between different groups in the population. Over time, these isolated groups may diverge and form new species.
On the other hand, sympatric speciation, which is less common, happens without a physical barrier. Instead, it can occur when a subpopulation evolves to exploit a different niche or when genetic changes result in reproductive isolation within the same location.
Thus, in essence, both processes result in the formation of new species, which is why your answer is correct in stating that they are mechanisms by which new species arise.
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B cells interacting with helper t cells are stimulated to differentiate when _____.
Nora, who is pregnant, wakes at 2am craving pickles. the craving indicates
A construction company wants to trap pollutants in runoff at its sites. What should the company do?
Practice conservation tillage at the sites.
Release beneficial insects, such as spiders and ladybugs, at the sites.
Plant grass and lay straw at the sites.
Plant trees at the sites.
Answer: Plant grass and lay straw at the sites.
Explanation:
Runoff is a flow over of water or any other liquid over a surface causing erosion. The flow of water is of high speed and rapid. It is not absorbed by the soil.
Plant grass and lay straw at the sites is the correct option this is because of the fact that the grass and lay straw will absorb the runoff water and prevent the erosion.
Answer: the third option
Explanation:
Which of the following does not have an impact on Earth's climate?
A. The movement of the ocean.
B. Greenhouse gases.
C. Burning fossil fuels
S. None of the above.
The following that does not have an impact on Earth's climate is the movement of the ocean that is present in Option A, as the movement of the ocean does not change the composition of the earth's atmosphere.
What are the causes of global climate change?There are many causes of the earth's climate change, such as the release of different chemicals into the water bodies and harmful gases in the environment; all these lead to an increase in temperature, pollute the land, which leads to low agriculture, etc. The burning of fossil fuels releases gases that trap radiation and cause global warming, which is harmful for animals and plants.
Hence, the following that does not have an impact on Earth's climate is the movement of the ocean that is present in Option A, as the movement of the ocean does not change the composition of the earth's atmosphere.
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Which organelle packages and distributes proteins that are received from the endoplasmic reticulum? vacuole cytoplasm Golgi apparatus ribosome
Answer:
Golgi apparatus
Explanation:
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A client tells the nurse, i need help planning an exercise regimen to help manage my weight. which stage of health behavior change does this reflect?
The client is in the stage of preparation for action. In this stage the client accept that there is a need to change, acknowledgement and accept that there is a problem. This occurs when the client ask or seek for help in order to address problems. Preparation for action is the third stage of the five stages of behavioral change; the first is pre contemplation second, contemplation, third, preparing for action fourth, action, fifth, maintenance.
Explain three differences between apomictic and automictic parthenogenesis.
A plant's progeny is said to be apomictic if it is genetically identical to its parent. Automictic reproduction occurs when gametes combine after meiosis, resulting in children that are genetically distinct from their parents.
What is apomictic and automictic parthenogenesis?Apomictic parthenogenesis results in children who are exact clones of their mothers. Among them are aphids. Meiotic parthenogenesis is more challenging. Sometimes, the progeny are haploid (for example: male ants).
A haploid cell may duplicate its chromosomes via automixis (also known as automictic parthenogenesis), or it may combine with another haploid cell. In each instance, diploid zygotes mature into diploid adults.
In apomictic parthenogenesis, which is frequent in plants, the diploid germ line cells (gametocytes) undergo ordinary cell division, or mitosis, rather than meiosis to produce gametes; the children are clones of the mother. The children of automictic parthenogenesis, also known as automixis, are partially clones of the mother.
Therefore three differences between apomictic and automictic parthenogenesis are explained.
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What three phases of the cell cycle are considered interphase
Answer:
omg the answer is literally in the question (interphase)
Explanation:
When a driver mixes alcohol or other drugs together, it creates a?
Answer:
drug synergistic effect
Explanation:
A drug synergistic effect happens, when interactions between two or more drugs cause the total effect to be greater as a whole. Drug interactions occur when two or more drugs (note that medical drugs also are taken into account) as their chemicals react with each other. Drug condition interactions may occur when an existing medical condition makes some drugs potentially harmful. Therefore advise is always to remember not driving under any of these conditions or experiencing syptoms associated to taking medication.
Usually the synergistic effect is harmful to the body and can lead to severe risks to health or dead. (The percentage of death rate by irresponsible driving often happens while the driver is under the effect )
What body movement would indicate that the sender wants the conversation to end?
Scientists use this term to describe the specialization of the two hemispheres of the cerebral cortex:
Due to climate and soil factors, in what biome would you expect to find the fewest burrowing animals? A) Sahara Desert. B) Alaskan tundra C) benthic ocean zone D) temperate grassland prarie
Answer:
Option B, Alaskan tundra
Explanation:
The temperature in Alaskan tundra is extremely low and hence its soil is mostly in frozen condition. Also the Alaskan soil lack nutrients and vegetation due to frost in soil up to a depth of 100 centimeters.
Hence, the burrowing animals have the least chances to survive and exists in this biome.
Though benthic ocean zone is predominantly water biome but it too has sea floor burrowing sea urchin species.
hence option B is correct.
Which description best matches the location of white matter?
Seismic gaps are places where scientists think that ________.
Vitamin _____ promotes growth and mineralization of bones and increases calcium absorption
Vitamin D promotes the growth and mineralization of bones and increases calcium absorption.
What are vitamins?Vitamins are the organic molecules that are required by organisms for the normal functioning of the cells. Vitamins are classified as fat-soluble vitamins and water-soluble vitamins.
Different types of vitamins are:
Vitamin AVitamin BVitamin CVitamin D.Vitamin D is important for the growth and mineralization of bones. It is present in milk, egg yolk, and cereals. It maintains calcium levels in the body. It is also known as calcitriol. Direct exposure to sunlight also increases vitamin D. Deficiency of vitamin D leads to weak bones. Vitamin D is also classified as Vitamin D2 and vitamin D3.
Therefore, Vitamin D promotes the growth and mineralization of bones and increases calcium absorption.
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In the second stage of aerobic respiration, what happens to the electrons that have been depleted of their energy during atp production?
N a lab you are conducting tests with various chemicals and neurotransmitter receptors. you notice that exposed frog muscle cells depolarize when you add the chemical nicotine to the acetylcholine (ach) receptors. what does this tell us about the relationship between neurotransmitters and their receptors? in a lab you are conducting tests with various chemicals and neurotransmitter receptors. you notice that exposed frog muscle cells depolarize when you add the chemical nicotine to the acetylcholine (ach) receptors. what does this tell us about the relationship between neurotransmitters and their receptors? the effect of a neurotransmitter is based on the properties of the neurotransmitter more than the receptor. neurotransmitter receptors only bind specifically with their neurotransmitter. the effect of a neurotransmitter is based on the properties of the receptor more than the neurotransmitter. the response generated by a receptor is very broad in nature.
Based on the information given, the effect of a neurotransmitter is based on the properties of the receptor to which they bind more than the neurotransmitter.
Also, it should be noted that some neurotransmitters lead to stimulation when they bind to receptors while the others bring about inhibition.
In conclusion, it should be noted that the effect of a neurotransmitter on a receptor actually depends on the properties that the receptor has.
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What are Gregor Mendel's four basic principles of genetics?
The client has just been diagnosed with osteomyelitis. osteomyelitis is an infection of the bone, resulting in limited blood supply to the bone, inflammation of and pressure on the tissue, bone necrosis, and formation of new bone around devitalized bone tissue. what are possible causes of osteomyelitis? select all that apply.
Osteomyelitis is commonly caused by a variety of bacteria, with S. aureus being the most common. In adults, infection often follows trauma or surgery, while in children it typically spreads from other infections via the bloodstream.
The possible causes of osteomyelitis include:
Direct access to bone tissues through trauma or surgical procedures in adults.Introduction of bacteria from the bloodstream, which may originate from focal infections, particularly in children.Infection by various bacteria such as S. aureus (most common), M. tuberculosis, Pseudomonas aeruginosa, Streptococcus pyogenes, S. agalactiae, species in the Enterobacteriaceae family, and other microorganisms.In children, the long bones such as the femur are more commonly affected due to more extensive vascularization in the young.
In humans, coral is sometimes used to replace sections of
I am found inside of the nucleus. i help produce ribosomes. i am the
Final answer:
The nucleolus is the structure inside the nucleus responsible for producing ribosomes by assembling ribosomal RNA with proteins. Subunits of ribosomes are transported to the cytoplasm through nuclear pores for protein synthesis.
Explanation:
The structure found inside of the nucleus that helps produce ribosomes is called the nucleolus. The nucleolus aggregates ribosomal RNA (rRNA) with associated proteins to assemble ribosomal subunits. These subunits are essential for protein synthesis and are transported out of the nucleus through the nuclear pores to the cytoplasm.
Chromosomes within the nucleus contain sections of DNA that encode ribosomal RNA. The nucleolus, a darkly staining area in the nucleus, centralizes the production of rRNA necessary for constructing ribosomes. Finally, the ribosomes, which are responsible for making proteins, move to the cytoplasm where they decode genetic messages into amino acids and build proteins.
Why do you feel your heartbeat more strongly on the left side?
The left side of the heart pumps oxygenated blood to the body, causing a stronger heartbeat sensation on the left side. The left ventricle, responsible for pumping blood out to the body, has thicker and stronger muscles compared to the right ventricle.
Explanation:The left side of the heart is responsible for pumping oxygenated blood to the rest of the body in the systemic circuit, while the right side pumps deoxygenated blood to the lungs in the pulmonary circuit. The left side of the heart is larger than the right side, which is why you may feel your heartbeat more strongly on the left side. This is because the left ventricle, which pumps blood out to the body, has thicker and stronger muscles compared to the right ventricle.
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Based on this genetic information, which phylogenetic tree is most parsimonious? select the most parsimonious tree. if there is a tie, select both trees. (for help approaching this problem, open hint 2.)
The most parsimonious phylogenetic tree is one that implies the fewest character changes, namely the fewest reversals, independent changes, and total changes. To build these trees, scientists collect and analyze both morphologic and molecular data, then use cladistics to organize the events. However, without the specific trees to study, we can't identify the most parsimonious one.
Explanation:Based on the idea of maximum parsimony, the most simple and obvious phylogenetic tree with the fewest character changes is considered the best. With this approach, the fewest number of character reversals, independent character changes, and total character changes throughout the tree, is most ideal. To construct the tree, scientists use character information, and morphologic and molecular data to identify homologous characteristics and genes. Once homologies are identified, cladistics helps to organize these elements to provide an evolutionary timeline with the least number of major divergences. So without the specific trees to inspect, we cannot identify the most parsimonious one, but now you know how to evaluate it when provided.
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