All somatic motor neurons produce __________.
both epinephrine and norepinephrine
only norepinephrine
only acetylcholine
both acetylcholine and norepinephrine
Answers
Only acetylcholine, Nicotinic receptors are stimulated by somatic motor neurons. Muscarinic receptors, which have a parasympathetic impact, are found in visceral organs.
Nicotinic receptors are excitatory at all times. Cholinergic cells make up all somatic motor neurons. Our ability to consciously perceive our surroundings and voluntarily react to it by using our skeletal muscles is a function of the somatic nervous system. A stimulus activates sensory neurons, which are then sent to the central nervous system, which then sends out a motor response to the skeletal muscles that govern this movement. Traditionally, the somatic nervous system has been seen as a part of the peripheral nervous system. The neurotransmitter acetylcholine is used by somatic motor neurons to activate skeletal muscle fibres at neuromuscular junctions.
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Related Questions
Glutamate is the neurotransmitter released at the rod-bipolar cell synapse. When there is light, the rod membrane potential will ____________ due to _________ of cations through the channel.
Answers
When there is light, the rod membrane potential will hyperpolarize due to the exit of cations (potassium cations) through the channel.
What is membrane hyperpolarization?The expression 'membrane hyperpolarization' makes reference to a membrane potential that becomes negative and thus this difference is used to trigger cell processes.
In this case, membrane hyperpolarization is produced due to the exit of potassium (K+) ions of the cell and thus increase the negative charge.
In conclusion, when there is light, the rod membrane potential will hyperpolarize due to the exit of cations (potassium cations) through the channel.
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5-CAN A VIRUS BE CURED WITH
ANTIBIOTICS? JUSTIFY YOUR
ANSWER?
Answers
Answer:
Can viruses be treated with antibiotics?
Only bacterial infections can be killed with antibiotics. The common cold, flu, most coughs, some bronchitis infections, most sore throats, and the stomach flu are all caused by viruses, not bacteria. It’s not always obvious whether an infection is viral or bacterial. Sometimes your doctor will do tests before deciding which treatment you need.
Explanation:
yea
Answer:
NO!!
Explanation:
Antibiotics kill bacterial infections, not a virus.
How can a pregnant woman's STI affect her unborn fetus? A. Low birth weight B. Loss of vision C. Loss of hearing D. All of the above Please select the best answer from the choices provided. A B C D.
Answers
All of the above statements are correct for STI affect on unborn fetus. Thus option D is correct.
What are the risks of an STI during pregnancy?A sexually transmitted infection (STI) is a bacterial or viral infection arise either by vaginal infection, oral from the infected person.
These infections can also be passed to a normal person via hepatitis B virus through body fluids while sharing needles or personal items like a toothbrush or razor.
STIs have major effect on pregnancy like Chlamydia, Gonorrhea
Genital herpes, Hepatitis B (HPB), HIV/AIDS, Hepatitis C (HCV) etc.
These infections can also pass baby while either during labor pain and delivery, or during breastfeeding.
During pregnancy it is also linked to problems Preterm labor, Stillbirth, Slow learning, Low birth weight, baby's age etc.
Thus option D is correct.
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Answer:
All of the above statements are correct for STI affect on unborn fetus. Thus option D is correct.
Explanation:
Scientists have observed that in the Antarctic ecosystem Adélie and Chinstrap penguin populations have decreased in the past 40 years by about half. However, Gentoo penguin populations have remained steady and are possibly increasing. Increasing ocean temperatures in the Antarctic is resulting in less sea ice and less krill because krill depend on sea ice.
Which statement, if true, BEST explains why Gentoo penguins have a survival advantage in the changing Antarctic environment?
A.
Adult Gentoo penguins average about 0.5 kilograms more in weight than adult Adélie and Chinstrap penguins.
B.
Leopard seals prey heavily upon juvenile penguins.
C.
Gentoo penguins eat more types of prey than either Adélie or Chinstrap penguins.
D.
Penguins spend a large amount of their energy on keeping warm during harsh winters with very low temperatures.
Answers
Answer:
C.
Gentoo penguins eat more types of prey than either Adélie or Chinstrap penguins.
Explanation: It makes the most sense over the other ones.
which statement describes a consequence of the process of natural selection? please choose the correct answer from the following choices, and then select the submit answer button.
Answers
The statement that describes a consequence of the process of natural selection is: The end result of natural selection is that genetic frequencies tend not to change dramatically in future populations of a species, the correct option is A.
Natural selection is the mechanism by which certain traits become more or less common in a population over time based on their impact on survival and reproduction. Through this process, individuals with advantageous traits are more likely to survive and pass on their genes to the next generation.
As a result, the frequency of those advantageous genes tends to increase over time, while the frequency of less advantageous or detrimental genes decreases, the correct option is A.
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The complete question is:
Which statement describes a consequence of the process of natural selection?
A. The end result of natural selection is that genetic frequencies tend not to change dramatically in future populations of a species.
B. Natural selection leads to the complete extinction of species over time.
C. Natural selection causes individuals within a species to become identical in their genetic makeup.
D. Natural selection results in the immediate adaptation of a species to its environment.
Did the distribution of water-storage traits change in the way you predicted in your Modeling Tool activity? amplify
Answers
In the Modeling Tool activity, we predicted the distribution of water-storage traits for different plant populations based on their environmental conditions.
We hypothesized that plants in arid environments would have a higher frequency of water-storage traits than those in wet environments, and our results supported this prediction. In general, plants living in arid environments require adaptations that allow them to store water for longer periods to survive long periods of drought. They have evolved to be better at water conservation in the absence of regular rainfall. These adaptations have allowed plants to live in otherwise inhabitable places and contribute to ecosystem diversity. In contrast, wet environments can cause plants to grow too fast, which makes it hard for them to build enough water storage traits.
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give three reasons why flowers are important in our day life
Answers
Answer:
Flowers' importance in nature is everywhere—they can feed insects, birds, animals and humans; provide natural medicines for humans and some animals; and aid in a plant's reproduction by enticing outside pollinators. Without flowers, plants would merely be green, and the world would be a duller place.
Explanation:
Three main reasons in my view can be:
1) If flowers were not there, there would be no fruits either( which provides us about 90% nutrients ).
2) Flowers are also used to make medicines.
3) Flowers are food for many insects and some animals.
3. Have a negative (-) charge
Answers
Answer:
can you further specify what you mean by this question cuz right now it is more of a statement and I don't know what you're asking
3. Which statement about cell organelles is true? A. Cytoplasm controls what enters and leaves the cell. B. The cell membrane keeps water and other fluids from leaving a cell. C. The nucleus holds the cell's DNA. D. Mitochondria create food for the cell.
Answers
The correct answer is C, the nucleus holds the cell's DNA.
The nucleus is a membrane-bound organelle found in eukaryotic cells. It is responsible for holding and protecting the genetic material of the cell, also known as DNA. The DNA within the nucleus contains instructions for the cell's growth, reproduction, and function. The cytoplasm, which is a gel-like substance that fills the cell, controls what enters and leaves the cell through various processes, including diffusion and osmosis. The cell membrane, which is a thin, flexible barrier surrounding the cell, regulates the movement of substances in and out of the cell, including water and other fluids. Finally, mitochondria are organelles responsible for producing energy for the cell through a process known as cellular respiration. In summary, while all of these organelles play important roles in the cell, the statement that is true is that the nucleus holds the cell's DNA.
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What do mitochondria do in healthy cells, and ny had defective mitochondria caused
David to lose his vision?
Answers
Muscle weakness, intolerance to exercise, decreased hearing and vision, ataxia, seizures, learning difficulties, heart problems, diabetes, and poor growth are the hallmark signs of mitochondrial myopathy.
What will happen if have a defective mitochondria?Defects in mitochondria, the body's energy producers that may be found inside practically all cells, are the root cause of mitochondrial disorders. mitochondrial myopathies are mitochondrial diseases that create noticeable muscular issues, while mitochondrial encephalomyopathies are mitochondrial disorders that cause noticeable muscular and neurological abnormalities.Several of the syndromes linked to mitochondrial disease include Barth syndrome, Chronic progressive external ophthalmoplegia, Kearns-Sayre syndrome, Leigh syndrome, Mitochondrial DNA depletion syndromes , Mitochondrial encephalomyopathy, Lactic acidosis, and stroke-like episodes, Mitochondrial neurogastrointestinal encephalomyopathy, Myoclonus epilepsy with ragged red fibers, Neuropathy, ataxia, and retinitis pigmentosa , Pearson syndrome.The mtDNA mutation that causes NARP also causes MILS, and the two disorders can coexist in the same family. NARP can cause developmental delay, seizures, and dementia in addition to the primary symptoms for which it is called.To learn more about mitochondria refer :
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Ideas at the preconscious level of awarenessSelect one:a. can never be recalled.b. can only rarely be recalled.c. are not in one's awareness but can be recalled when needed.d. are at the highest level of awareness.
Answers
Ideas at the preconscious level of awareness are c. Ideas at the preconscious level of awareness are not currently in one's conscious awareness but can be recalled when needed.
What are the ideas at the preconscious level of awareness called?
The correct answer is c. Ideas at the preconscious level of awareness are not in one's awareness but can be recalled when needed. Preconscious ideas are not currently in one's conscious awareness but can be accessed and brought into consciousness when necessary. They are thoughts, memories, or feelings that are just below the surface of conscious awareness and can be accessed with some effort or prompting. It is important to note that preconscious thoughts can become conscious with a change in attention or focus.
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The building blocks of nucleic acids are _____.
1. amino acids
2. nucleotides
3. base pairs
Answers
Answer:
2.Nucleotides
Explanation:
Nitrogen is used and reused by various organisms and processes as it cycles through the environment. Nitrogen is typically NOT a part of which of these biological molecules?
A. Enzyme
B. Amino Acid
C. Nucliec Acid
D. Carbohydrate
Answers
Answer:A
Explanation:
what 2 factors increase blood flow
Answers
The two factor that increases blood flow are given below:
1. Physical Activity : When we engage in physical activity, our muscles require more oxygen and nutrients to work properly. The body responds to this demand by increasing blood flow to the muscles, which helps deliver more oxygen and nutrients to them.
2. Body temperature : When our body temperature rises, such as during a fever or when we are in a warm environment, our blood vessels expand to allow more blood to flow to the skin's surface. This helps to dissipate heat and cool down the body.
Which of the following parts of a strand of hair is connected to the skin?
Tip
Shaft
Follicle
Fatty tissue
Answers
In which of the following would you most likely expect to find embryonic stem cells?
Group of answer choices
Bone marrow of any age
Adult brain
Heart of a teenager
Cells 5 days after egg fertilization
Answers
Answer: Cells 5 days after egg fertilization.
Explanation: because that is were you can find it.
The involuntary muscle action of the alimentary canal is called:
Answers
The involuntary muscle action of the alimentary canal is called peristalsis.
The compulsory muscle activity of the wholesome waterway is called peristalsis. Peristalsis is an organized series of solid withdrawals and relaxations that drives food through the stomach related framework. The cycle starts in the throat, where peristalsis assists with moving food from the mouth to the stomach.
Once in the stomach, peristalsis keeps on separating the food into more modest particles and blend it in with stomach related juices. From the stomach, peristalsis moves the food through the small digestive tract, where the vast majority of the supplements are ingested, and into the internal organ, where water is assimilated and squander is ready for disposal.
Peristalsis is a fundamental cycle for legitimate assimilation and supplement retention.
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3) When two atoms bond chemically it is because of the interaction between
A) the nuclei of each atom.
B) the protons in each atoms.
C) all electrons in the atoms.
D) the valence electrons in each atom
Answers
Answer:
C - All electrons in the atoms
Explanation:
It depends on the bonding for an explanation.
If one atom is a metal and one is a non metal it will be ionic. This is because one atom transfers its electron to the other atom giving them both a charge. They will then be bonded due to opposite forces of attraction.
If both atoms are non metals it will be covalent. Electrons pair together in the center of two atoms that have merged together and they share their electrons.
(Makes more sense with diagrams)
Hope this helps you!
Which cardiovascular condition is characterized by tachycardia, tachypnea, cough, and wheezes in pediatric patients?
Answers
Cardiovascular condition is characterized by tachycardia, tachypnea, cough, and wheezes in pediatric patients is Heart failure.
The correct option is A.
What is considered a cardiovascular condition?Heart and blood vessel disorders are collectively referred to as cardiovascular disease (CVD). The development of fatty deposits inside the arteries (atherosclerosis) and a higher risk of blood clots are typically associated with it.
What is Heart failure?Heart failure happens when the heart's ability to pump blood is compromised. Blood frequently backs up, which leads to fluid accumulation in the legs and the lungs (congest). Breathing difficulties and swelling in the legs and feet can result from the fluid accumulation. The skin may seem blue due to poor blood flow (cyanotic).
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I understand that the question you are looking for is:
Which cardiovascular condition is characterized by tachycardia, tachypnea, cough, and wheezes in pediatric patients?
A. Heart failure
B. Septic shock
C. Anaphylaxis
D. Hypovolemia
The production plan for seasonal products is developed from a charted
______ that tracks the best plants to sell at different times of the year.
Answers
The production plan for seasonal products is developed from a charted "product demand cycle" that tracks the best plants to sell at different times of the year.
This cycle takes into account the natural growth cycles of different plants, as well as consumer demand for those plants during certain seasons. By following the seasonal cycle, growers can ensure that they are producing the right plants at the right time, maximizing their profits and reducing waste. This approach also helps ensure a steady supply of fresh, high-quality products throughout the year, which is important for maintaining customer satisfaction and building a loyal customer base.
A product demand cycle is a chart that shows the expected demand for a product over the course of the year. The cycle helps businesses to plan their production schedule to ensure that they have enough supply to meet demand during peak seasons. For example, businesses can use the demand cycle to determine when to plant certain types of flowers or plants so that they will be ready for sale during peak seasons.
Overall, the product demand cycle is a crucial tool for businesses to plan their production schedule, manage their inventory levels, and maximize their sales during peak seasons.
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pls help me with thisss
Answers
Answer:
Sexual reproduction giraffe is a mammal it reproduces sexually
in the elderly, blood supply to the dermis is reduced and sweat glands are less active. this combination of factors would most affect
Answers
The combination of reduced blood supply and less active sweat glands in the elderly primarily affects wound healing and skin vulnerability, option A, B and E are correct.
In the elderly, reduced blood supply to the dermis hampers the delivery of essential nutrients and oxygen necessary for wound healing. This can lead to delayed healing, increased risk of infections, and complications. Additionally, decreased sweat gland activity contributes to skin fragility, making the skin more prone to injuries such as tears, cuts, and pressure ulcers.
The skin becomes less resilient and easily damaged. While other factors like hair growth, physical characteristics of the skin, and thermoregulation may be influenced to some extent, the primary impact is on wound healing and skin vulnerability due to reduced blood supply and sweat gland activity, option A,B and E are correct.
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The complete question is:
in the elderly, blood supply to the dermis is reduced and sweat glands are less active. this combination of factors would most affect
A. The ease with which the skin is injured
B. The ability to heal injured skin
C. The ability to grow hair
D. The physical characteristic of the skin
E. The ability to thermoregulate
which process involves scraping or cleaning the gingival lining of the pocket to remove necrotic tissue from the pocket wall?
Answers
The process that involves scraping or cleaning the gingival lining of the pocket to remove necrotic tissue from the pocket wall is known as root planing.
Root planing is a dental procedure that is used to treat periodontal disease. It is also referred to as deep cleaning. During this process, plaque, tartar, and other debris are scraped and cleaned from the teeth and gum line. It is used to remove bacteria from the roots of teeth that have become infected due to periodontal disease.
During root planing, the dentist or dental hygienist will use a scaler to remove the plaque and tartar from the teeth. They will also clean the gingival lining of the pocket to remove necrotic tissue from the pocket wall. This helps to prevent further damage to the teeth and gums and can even help to reverse the early stages of gum disease.
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The giant panda is descended from carnivorous ancestors. however, meat became scarce in the giant panda's environment. today, giant pandas eat meat when it is available, but they primarily eat bamboo. which term best describes the giant panda's change in diet from primarily meat to primarily plants?
Answers
The giant panda's change in diet from primarily meat to primarily plants is environmental change.
Why did giant pandas stop eating meat?They discovered that there is a transformation in the T1R1 gene. The gene encodes for T1R1 protein which is an umami taste receptor. The transformation turns T1R1 into a pseudo gene: a gene which is not extended represented.
As a result, pandas cannot taste the umami taste of flesh and slowly lost an appeal to meat.
Thus, this could be the answer.
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BIOLOGY QUESTIONS PLEASE HELP!!!!!!! Brainliest to whoever answers all of them
Answers
Answer:
segmented
Explanation:
trust me. thank me later
Answer:
pretty sure you have the answer by now so thanks for the Points
Explanation:
Explanation:
plz plz plz plz help me
Answers
Answer:
White tailed deer.
Explanation:
White tailed deer is the organism for which carrying capacity is shown in the graph. the population of organism decreases after reaching its carrying capacity because of limited resources of food that is not available for organisms which leads to the death of organism. The population exceeded its carrying capacity because of favourable condition such as availability of more food. The population decrease after it exceeded the carrying capacity due to unavailability of food to the increased population so they die and decrease occur in population.
The carrying capacity of an ecosystem is limited by what factors
The presence of humans in the ecosystem.
The size of the animals in the ecosystem.
The needs of the living things within the ecosystem.
There is not limit to the size of a population.
Answers
Answer: The needs of the living things within the ecosystem.
Explanation: Carrying capacity for an ecosystem means the amount of organisms an ecosystem can carry. If the ecosystem overpopulates with a certain species, it decreases the biodiversity of the entire ecosystem. A main factor that the carrying capacity of an ecosystem is limited by is the needs of the living things in that ecosystem. If that ecosystem overpopulates, every species in that ecosystem will compete to meet the needs of their own, whether it's food, water, or shelter.
Hope this helps! :)
Which of these organisms is considered the most complex?
O squid
O whale
O spider
O ladybug
Answers
Answer:
♡ hi fairy ♡
-- the answer is whale
~ madeline
✧･ﾟ: *✧･ *:･ﾟ✧*
Explanation:
smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the .
Answers
Smooth muscle fibers can sustain a contraction without fatigue by allowing dephosphorylated myosin to remain attached to actin in what is called the Latch State.
Latch State- Dephosphorylating myosin's RLCs prevents the formation of cross-bridges with actin, but doing so after myosin has already been bound to actin slows down its off rate and produces the so-called "latch state." While enduring low rates of ATP hydrolysis, smooth muscle retains tension in the latch state.
ATP hydrolysis- Energy released that has been stored in adenosine triphosphate is released whenever the elevated phosphoanhydride bonds break, as happens, for instance, in muscles. ATP hydrolysis is the name given to this process.
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PLEASE HELP!!!! This is a situation so major! My life depends on it!!!
Answers
Answer:
The lighter moths would be more suitable and the darker moths would eventually die out since they have no camouflage, thus an influx of lighter moths will emerge.
Explanation: