If the adrenal cortex were surgically removed, an increase in the plasma levels of would likely be observed. ________. A. glucocorticoid hormones B. epinephrine C. adrenocorticotropic hormone (ACTH) D. acetylcholine
Answers
If the adrenal cortex were surgically removed, an increase in the plasma levels of adrenocorticotropic hormone (ACTH) would likely be observed.
Hence, option C is correct.
What are hormones ?Hormones are chemical compounds that function in the body as messenger molecules. They are created in one area of the body and then move to other areas where they assist in regulating the function of the cells and organs.
What is the role of adrenocorticotropic hormone in adrenal cortex ?The anterior pituitary gland's corticotrophin cells produce adrenocorticotropic hormone. It circulates throughout the body throughout the day in the bloodstream in a series of irregular pulses. Adrenocorticotropic hormone levels, like those of cortisol, are typically highest when we first wake up, fall throughout the day, and are at their lowest when we sleep. When adrenocorticotropic hormone attaches to receptors in the adrenal glands, the adrenal glands release more cortisol, which raises the level of cortisol in the blood. Additionally, it boosts the formation of the chemical molecules that lead to an increase in other hormones including noradrenaline and adrenaline.
Thus from above conclusion we can say that If the adrenal cortex were surgically removed, an increase in the plasma levels of adrenocorticotropic hormone (ACTH) would likely be observed.
Hence, option C is correct.
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Related Questions
Two populations of mice live in the same forest. After a rainstorm, flooding causes a new river to form, which completely separates the populations. When the mice reproduce, which of the following will likely occur? *
A. All the offspring will die as a result of reproductive mutations.
B. The offspring will be forced to leave the second population.
C. The offspring will be genetically identical to the original, unseparated population.
D. The offspring in the new populations will have less genetic variety due to smaller populations with different gene pools.
Answers
What is the difference between physical and mechanical weathering.
(explain in 1-6 sentences)
Answers
Answer:
Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it to fall away. Hope this answer helps
Answer:
Physical, or mechanical, weathering happens when a rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth.
Explanation:
List the following objects from largest to smallest
Universe, planets, sun, asteroids, galaxy, meteors
Answers
Which of the following describes meiosis?
Group of answer choices:
Meiosis exchanges genetic material between two parent cells before splitting into daughter cells.
Meiosis is a two-cycle process, meiosis I and meiosis II, which combine two parent cells' genetic material before creating daughter cells containing half of the genetic material from each parent cell.
Meiosis is a two-cycle process, meiosis I and meiosis II, which shuffles the parent cell's genetic material before creating daughter cells containing half its original genetic material.
Meiosis is a process that splits a dying parent cell into two genetically identical daughter cells
Answers
Meiosis is a two-cycle process, meiosis I and meiosis II, which shuffles the parent cell's genetic material before creating daughter cells containing half its original genetic material.
Meiosis is a specialized form of cell division that occurs in sexually reproducing organisms. It involves two distinct cycles, meiosis I and meiosis II. During meiosis I, the parent cell undergoes recombination and crossover events, where genetic material from the two homologous chromosomes can exchange segments. This process promotes genetic diversity. Following meiosis I, the cell divides into two daughter cells, each containing a unique combination of genetic material from the parent cell.
In meiosis II, the two daughter cells produced from meiosis I undergo further division without any additional recombination or exchange of genetic material. The goal of meiosis II is to separate the replicated chromosomes, resulting in the formation of four genetically distinct daughter cells, each containing half of the genetic material from the parent cell.
Overall, meiosis is a vital process for sexual reproduction as it introduces genetic variability and ensures the formation of haploid cells (cells containing half the genetic material) that can unite during fertilization to produce offspring with unique genetic characteristics.
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What shapes does viruses come in?
Answers
Answer:
In general, the shapes of viruses are classified into four groups: filamentous, isometric (or icosahedral), enveloped, and head and tail. Filamentous viruses are long and cylindrical. Many plant viruses are filamentous, including TMV (tobacco mosaic virus).
Explanation:
Answer:
Viruses comes in four different types of shapes such as Polyhedral, Sperical, Helical and Complex.
What is composed of cells that produce hormones and secrete them into the bloodstream?.
Answers
Endocrine glands have composed of cells that produce hormones and secrete them into the bloodstream.
Endocrine glands are also known as hormone-producing glands. These glands are scattered in various parts of the body and have their respective roles in regulating organ systems. Therefore, their health needs to be maintained in order to function normally.
Various Glands in Endocrine Glands1. Pituitary Gland
The pituitary gland is a small gland located at the base of the brain. Despite its small size, the function of this gland is very large in the endocrine system. This gland is considered the 'leader' of all endocrine glands, as it can produce various hormones that regulate the functions of other endocrine glands.
2. Thyroid Gland
The thyroid gland produces the hormones thyroxine (T4) and triiodothyronine (T3) which are responsible for regulating the body's metabolic processes. In addition, this hormone also plays a role in the formation of bone tissue, body temperature regulation, and the development of the brain and nervous system.
3. Parathyroid glands
This gland releases parathyroid hormone which plays a role in regulating calcium levels in the blood. The task of this hormone is assisted by the hormone calcitonin which is produced by the thyroid gland.
4. Adrenal glands
The adrenal glands are divided into two parts, namely the cortex and the medulla. The cortex is responsible for producing steroid hormones that regulate metabolism, the immune system, the body's response to stress, and the development and function of sexual organs.
Meanwhile, the medulla plays a role in producing the hormone epinephrine or adrenaline to increase blood pressure and heart rate.
5. Pancreatic gland
The pancreas gland produces two hormones, namely the hormone glucagon and the hormone insulin. Glucagon functions to store and increase blood sugar levels, while insulin functions to lower blood sugar levels.
6. Reproductive glands
The male reproductive glands or testes are located in the testicles or scrotum, while the female reproductive glands, the ovaries or ovaries, are located in the pelvis.
The testes produce the hormone testosterone to produce sperm, while the ovaries produce the hormones estrogen and progesterone which play a role in supporting pregnancy and regulating the process of ovulation and menstruation.
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1. What is the weight of an object that has a base of 3 square meters and has a pressure of 21 newtons per square meters?
Answers
Answer:
63N
Explanation:
To calculate the weight (force) that an object exerts, the formula is used:
Pressure = Force / Area
Where; P = pressure
F = applied force
A = the surface area the
force is applied to
According to the question; P= 21N/m^2,
F= ?, a = 3m^2
Force = pressure × area
Force = 21 × 3
Force = 63N
Hence, the weight of the object is 63N
Which statement is part of the cell theory?
Cells can be produced from nonliving matter.
All cells are produced from other cells.
Only plants are composed of cells.
Only animals are composed of cells.
Answers
Answer:
all cells are produced from other cells
Explanation:
cell theory <3
3, Describe an example of mutualism with which you are familiar, and that isn't explained in this book.
Answers
Answer: An example of mutualism would be the remora fish and shark.
Explanation: The shark gets cleaned and the remora fish gets something to eat. Both benefit from each other.
Scientists discover a new organism. It is eukaryotic and obtains energy by secreting digestive enzymes into decaying organic matter and then absorbing the digested material. This organism should be classified in what Kingdom?
1.Archaebacteria
2.Eubacteria
3.Fungi
4.Protista
Answers
3 fungí
Answer:
3. Fungi
Explanation:
Fungi are eukaryotic, and they find there on food or enzymes. and I took the same test and got it right.
The process by which a protein channel allows molecules to cross the cell membrane is called…
Answers
Answer:
Is facilitated diffusion.
Explanation:
connor is constantly chewing tobacco. to reduce his appetite for this product, a behavior therapist wold most likely use what?
Answers
A behavior therapist would most likely use a technique called aversion therapy to help Connor reduce his appetite for chewing tobacco.
Aversion therapy aims to associate an undesirable behavior with a negative stimulus to decrease its occurrence. In this case, the therapist would help Connor create a negative association with chewing tobacco.
The therapist might use various strategies to implement aversion therapy.
One approach could be to pair the act of chewing tobacco with an unpleasant or aversive stimulus.
For example, whenever Connor starts to chew tobacco, the therapist might administer a harmless but unpleasant-tasting substance or provide a negative verbal response.
Over time, the repeated pairing of the tobacco chewing with the negative stimulus helps to create an aversion to the behavior.
The therapist may also employ cognitive-behavioral techniques, such as identifying triggers, developing coping strategies, and providing education about the harmful effects of tobacco use.
By combining aversion therapy with these techniques, the behavior therapist aims to help Connor reduce his appetite for chewing tobacco and eventually quit the habit altogether.
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Which of the cranial nerves below is purely sensory? accessory trochlear olfactory glossopharyngeal As compared to coma, a patient in a permanent vegetative state loses thalamic function has loss of consciousness for less than 4 months lacks both awareness and wakefulness loses brain stem functions What is cerebral cortex? the inner grey matter of die cerebrum the outermost surface of white matter covering the cerebrum deep white matter of the cerebrum the outermost grey matter covering the cerebrum
Answers
The cranial nerve that is purely sensory is the olfactory nerve. The olfactory nerve is the first cranial nerve. It is responsible for the sense of smell. It consists of sensory neurons that transmit the sensation of odor from the nose to the brain. The correct answer is option(c).
The olfactory nerve is purely sensory, while the rest of the cranial nerves have both sensory and motor functions. Compared to a coma, a patient in a permanent vegetative state lacks both awareness and wakefulness. A person in a permanent vegetative state has no awareness of self or their surroundings. They are also unaware of any pain or discomfort that they may be experiencing.
The brain stem continues to function in a person in a permanent vegetative state. However, the higher cortical functions of the brain, including awareness, are lost. The cerebral cortex is the outermost surface of white matter covering the cerebrum. It is composed of a thin layer of gray matter that contains neurons, dendrites, and axons. The cerebral cortex is responsible for the perception of sensory information, voluntary movement, and the integration of information from various brain regions.
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What is a function that proteins DO NOT do in the body?
A. Help chemical reactions
B. Create insulation
C. Build tissues and muscles
D. Transport molecules in and out of a cell
Answers
Answer:
a
Explanation:
which feature is not characteristic of nematodes? select the correct answer below: a. nervous system b. pseudocoelom c. muscles strictly d. parthogenetic
Answers
The nematodes possess a simple nervous system, a pseudocoelum, and muscles but they are not strictly pathogenetic. So the correct option is option D.
The body shape of nematodes is bilaterally symmetric, elongated, and typically tapered at either end. Some species have a body cavity called the pseudocoel that is filled with fluid. The pseudocoelum is found in the digestive tract between the body wall and the digestive tract. Nematodes, like arthropods, as well as members of six different phyla, secrete an outer cuticle. This cuticle is regularly molted.
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The MOST commonly fractured bone(s) in the body is/are the: A. scapula. B. clavicle. C. radius and ulna. D. midshaft femur.
Answers
The most commonly fractured bone(s) in the body are the radius and ulna (option C). The radius and ulna are the two bones in the forearm that extend from the elbow to the wrist.
These bones are frequently fractured due to their location and the way people instinctively use their arms to protect themselves during falls or accidents. In such situations, the arms often absorb the impact, causing the radius and ulna to be more susceptible to fractures. On the other hand, the scapula (A) and clavicle (B) are less commonly fractured as they are located in the shoulder region, which is less likely to receive direct impact during falls.
The midshaft femur (D) is a strong bone in the upper leg and, while it can be fractured in severe accidents, it is not as commonly fractured as the radius and ulna. In summary, the most frequent bone fractures occur in the radius and ulna due to their vulnerable location and role in self-protection during accidents. Hence, C is the correct option.
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TRUE/FALSE,meiosis is a mean to make gametes, and is the reason each parent passes one copy gene to their offspring
Answers
True.
The purpose of meiosis is to produce gametes or sex cells. During meiosis, four daughter cells are produced, each of which is haploid (containing half as many chromosomes as the parent cell).
What is Meiosis?
Meiosis contains two distinct cell divisions, which means that one parent cell can produce four gametes (eggs in females, sperm in males). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase.
Before entering meiosis I, a cell must first go through interphase. This is the same interphase that occurs before mitosis. The cell grows, copies its chromosomes, and prepares for division during the G1 phase, S phase, and G2 phase of interphase.
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select all of the following scenarios that would require the cell to use energy in order to move materials through its membrane.
Answers
The cell will have to use its energy to move materials through its membrane in case of active transport.
What is Cell?The fundamental structural and operational unit of all living things is the cell. Each cell has a cytoplasm that is surrounded by a membrane and is home to a variety of biomolecules, including nucleic acids and proteins.
Cells can develop specialized functions and perform a variety of tasks within the cell, including protein synthesis, DNA repair, replication, and motility. Within the cell, cells can specialize and move around. Because of their small size, the majority of cells are quantified in micrometers.
Only under a microscopic examination can the majority of plant and animal cells, which range in size from 1 to 100 micrometers, be seen. With significantly greater resolution and extremely detailed cell structure, electron microscopy
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How does the nucleus help the nerve cell?
Answers
The nucleus of a nerve cell helps it perform its function by producing ribosomes, which are responsible for translating messenger RNA into protein molecules, and by providing a site for the translation of mRNA into protein molecules
What are nerve cells?Nerve cells are known as neurons. They are the fundamental unit of the nervous system, transmitting messages between different parts of the body, allowing us to react to stimuli such as light, sound, and heat. They are able to communicate with each other by means of chemical signals, which are passed across a tiny gap called a synapse.
The nucleus is the most important organelle present in the neuron. It is responsible for maintaining the genetic material of the cell, as well as participating in the synthesis of proteins that are used to carry out the cell's normal functions.
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Which of the following members would most likely be ranked highest in prototypicality in the "birds" category?
A. Raven
B. Duck
C. Hummingbird
D. Sparrow
Answers
The bird that would most likely be ranked highest in prototypicality in the "birds" category would be D. Sparrow.
Prototypicality refers to how well an item or concept fits the typical or average representation of a category. In the case of the "birds" category, the sparrow would be considered the most prototypical because it possesses many of the typical features and characteristics that people associate with birds.
Sparrows have wings, feathers, beaks, and are able to fly, which are all characteristics commonly associated with birds. Additionally, sparrows are small and common, and are often seen in urban and suburban environments, which also contribute to their prototypicality in the "birds" category.
While the other options - raven, duck, and hummingbird - are all birds, they possess characteristics that are less typical of the category as a whole. For example, ravens are larger and less common than other birds, ducks are often associated with water and swimming, and hummingbirds have unique physical characteristics that differentiate them from other birds.
Therefore the correct answer is option D.
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How can mutations occur in cells?
Answers
Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.
Which of the following is not a risk of preventing natural wildfires?
Answers
Storing fuel for future flies is not the risk of stopping natural wildfires. So, the correct option is A.
What are Natural wildfires?Wildfires are also known as forest bush or vegetation fires. It can be described as any uncontrolled and non-prescribed combustion or burning of plants in a natural setting such as forest, grassland, scrubland or tundra that consumes natural fuel and is spread based on environmental conditions such as wind.
So many forest fires start from natural causes such as lightning that set trees on fire.
So, the correct option is A.
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Could someone help me understand it better?
What is sustainable living?
Answers
Explanation:
Sustainable living describes a lifestyle that attempts to reduce an individual's or society's use of the Earth's natural resources, and one's personal resources. It is often called as "earth harmony living" or "net zero living"
P.S. your welcome
The best type of graph to use when comparing how one variable effects another
bar graph
line raph
pie chart
all of the above
Answers
Answer:
Bar Graph is the answer..
Bar graphs are used to compare things between different groups or to track changes over time. However, when trying to measure change over time, bar graphs are best when the changes are larger..
Explanation:
Hope it helps you..
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4. Affinity chromatography is often used to isolate eukaryotic mRNAs away from other cellular components. What feature of eukaryotic mRNAs do you think would make them easy to isolate?
Answers
Affinity chromatography is often used to isolate eukaryotic mRNAs away from other cellular components because of a unique feature of eukaryotic mRNAs called a poly(A) tail.
A poly(A) tail is a long chain of adenine nucleotides that is added to the 3' end of eukaryotic mRNAs by an enzyme called poly(A) polymerase. The poly(A) tail plays a role in the stability and transport of mRNAs, but it also has a unique property that makes it easy to isolate eukaryotic mRNAs using affinity chromatography.
The poly(A) tail can be chemically modified in a specific way that allows it to bind to a specific ligand, such as a protein or a nucleotide analogue. By using a ligand that selectively binds to mRNAs with a poly(A) tail, it is possible to isolate these mRNAs using affinity chromatography. This is because the mRNAs with a poly(A) tail will bind to the ligand more strongly than other cellular components, allowing them to be easily separated and purified.
Therefore, the unique feature of eukaryotic mRNAs with a poly(A) tail makes them easy to isolate using affinity chromatography.
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A balance and a graduated cylinder are used to determine the density of a
mineral sample. The sample has a mass of 14.7g and a volume of 2.2cm3. What
is the density of the mineral sample?
Answers
why the skin is categorised as an organ?
Answers
Answer:
Skin is one of the largest organs of the body. It is recognized as an organ because it consists of several types of tissues that function together.
Explanation:
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Name the 5 Forces/Sources of Evolution, or ways variation can happen:
-
-
-
-
-
Answers
Answer:
mutation.
random mating between organisms.
random fertilization.
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.
Explanation:
there are usually four diffrent kinds of evolution and they are
1. mutation
2. gene flow
3. genetic drift
4. and natural selection.
Mutation creates new genetic variation in a gene pool.
Answer:
mutation.random mating between organisms.random fertilization.crossing over (or recombination) between chromatids of homologous chromosomes during meiosis.Explanation:
Hope this will help
Select all that apply.
Three diseases discussed in this lesson that can cause diarrhea are:
tetanus
amoebic dysentery
typhus
bacillary dysentery
cholera
food poisoning
Answers
Answer: The three are food poisoning and bacillary dysentery and the last one is amoebic dysentery
Explanation:
What relationship exits between these terms? Community, Ecosystem,
Organism, Population
Answers
Answer:
A community is composed of all of the biotic factors of an area. An ecosystem includes the living organisms (all the populations) in an area and the non-living aspects of the environment
Explanation:
Hope it helps!