Which term describes all neurons that carry signals towards the CNS?a. Afferentb. Efferentc. Motord. Somatic
Answers
The correct term that describes all neurons that carry signals towards the CNS (Central Nervous System) is (A). Afferent.
Afferent neurons, also known as sensory neurons, are responsible for transmitting sensory information from the body's periphery to the CNS. This information may include sensations like touch, pain, temperature, and proprioception, among others.
In contrast, efferent neurons (option b) carry signals away from the CNS and towards the body's periphery. These neurons are involved in controlling the body's muscles and glands, allowing for movement and the regulation of various physiological processes.
Motor neurons (option c) are a type of efferent neuron that specifically control muscle contractions, enabling voluntary and involuntary movements. While motor neurons are efferent neurons, not all efferent neurons are motor neurons.
Somatic neurons (option d) are part of the somatic nervous system, which controls voluntary movements and reflexes. This term does not specifically refer to neurons carrying signals towards the CNS but rather encompasses a broader range of neurons involved in conscious bodily functions.
In summary, afferent neurons are the ones that carry signals towards the CNS, making option (a) the correct answer. These neurons play a crucial role in transmitting sensory information from the body's periphery to the brain and spinal cord, allowing us to perceive and respond to our environment.
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Related Questions
Scientific developments have made forensic science a stronger discipline.
True
False
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Answer:
Answer of this qurstion is true
Fill in the blanks with the correct word
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Answer:
1) genetic diversity
2) species diversity
3) green house effect
4) Biodiversity
5) compassion
6) cultural value (im not pretty sure about this because it doesnt fit in any of the options above so it must be 6th)
Which statement is correct about rough ER and smooth ER?
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a temporary organ formed from both fetal and maternal tissues that provides nutrients and oxygen to the developing fetus, carries away fetal metabolic wastes, and produces the hormones of pregnancy is the:
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This organ is called placenta. It forms from both fetal and maternal tissues. It plays different roles during the entire gestation period. It produces certain hormones and also is a part of the neuro-endocrine mechanism. It is very important for the entire pregnancy process.
What are the functions of the human placenta?
Immunological, barrier, endocrine, respiratory, excretory, nutritive, and nutritional functions.Simple diffusion (respiratory) provides oxygen and produces CO2 while the umbilical cord delivers nutrients to the fetus (nutritive).removing waste materials including urea, creatinine, and uric acid from the fetus (excretory).releasing dietary ingredients and necessary products into the maternal and fetal blood circulations through metabolism.xenobiotic protection for the fetus (compounds including food additives, drugs, and environmental pollutants).producing steroid and peptide hormones that support the development and growth of the fetus (endocrine).protecting the developing child from bacterial infections and maternal illnesses.All hazardous chemicals less than 500 dalton are protected from transmission by the fetal membrane with the exception of antibodies and antigens (barrier).produces several enzymes, such as oxytocinase and diamine oxidase (enzymatic).To know more about the placenta visit:
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You will create a molecular clock model for an arthropod gene. Follow these guidelines to make your model:
Your timeline will span from 90 million years ago to the present. The common ancestor in your model is an arthropod that lived 90 million years ago. The gene that you’ll track codes for a protein in the species’ venom.
The DNA sequence you’ll track contains 10 nitrogen bases. You can choose the order of the bases and where the mutations occur.
This gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. To build your model, calculate the estimated time period it takes for 1 base pair to mutate.
The first time period will only show the common ancestor. At the beginning of the second time period, three lineages will diverge from the common ancestor, each with a different mutation in their gene sequences.
The first and third descendant species will survive for the rest of the timeline. The second descendant species was extinct 50 million years ago.
Calculate how long it will take for one full base pair mutation to occur. Explain your reasoning by constructing a mathematical equation.
Answers
Answer:
The mutations occur at a rate of 0.56 base changes every 1 billion years. If this rate stays consistent, the mutation rate can be used to determine when different lineages of a particular species split
Answer:
It takes about 17.1 Million years for a base pair to mutate at a rate of 0.76 base pairs. To get the time it takes for one full mutation to occur, you must divide 17.1 to 0.76 and multiply it by 1. So, (17.1/0.76)×1=22.5. It would take about 22.5 million years for one full base pair mutation to occur. Having this being said, the first descendant with one base pair mutation would change after 22.5 million years from the common ancestor. For the second descendant, it would take 45 million years as 22.5 time 2 is 45. 5 million years later, the second descendant will become extinct while the first descendant survives. The third descendant will take about 22.5×3= 67.5 million years. Now, the first and third descendants will survive while the second descendant is extinct.
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if a teratogen is introduced during the first trimester of pregnancy, what parts of the baby’s body might be harmed?
Answers
After this period, the organs are fully formed, but they still need time to mature and function properly. Some teratogens, such as alcohol, can cause harm at any stage of pregnancy. Therefore, it is important for pregnant women to avoid exposure to teratogens to ensure the healthy development of their babies.
Teratogens are substances that cause birth defects in the developing embryo or fetus. When teratogens are introduced during the first trimester of pregnancy, several parts of the baby's body might be harmed. These parts include: Limbs, eyes, heart and ears.What is a teratogen?A teratogen is any agent that disrupts normal development in an embryo or fetus. A teratogen could be a virus, drug, alcohol, or a harmful chemical. The severity of harm depends on the dosage, the length of exposure to the substance, and the genetic susceptibility of the embryo or fetus. Because a developing baby's organs and systems are still forming during the first trimester of pregnancy, exposure to teratogens can cause serious and permanent birth defects.The developing baby is most vulnerable to teratogens during the first trimester of pregnancy because the organs and systems are still forming. After this period, the organs are fully formed, but they still need time to mature and function properly. Some teratogens, such as alcohol, can cause harm at any stage of pregnancy. Therefore, it is important for pregnant women to avoid exposure to teratogens to ensure the healthy development of their babies.
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In the nucleus, dna is complexed with proteins to form a fine filamentous material called?
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Answer: chromatin
- chromatin is a mixture of DNA and proteins that form chromosomes
A thermostat is used for which of the following?
Answers
Question 1
Why does the inner core of Earth remain solid even though it is very hot?
A
The Coriolis effect creates a centralized gravitational spin at Earth's core.
00
The pressure is so great at the inner core that it causes atoms to push together.
С
The inner core is not as hot as the outer core.
D
The inner core is made of the same material as the mantle.
Answers
Answer:
The pressure is so great at the inner core that it causes atoms to push together.
Explanation:
The inner core of Earth remains solid even though it is very hot because the pressure is so great at the inner core that it causes atoms to push together. This is present in the second option.
What are the different layers of the earth?The earth has three layers, such as the inner hot core, the mantle, and the last outer crust, and the temperature of each layer is varied and made up of different compositions. The outer crust has different minerals as the mountains, plants, and animals present there, while the molecules are not present under the high pressure here. The middle layer, known as the mantle, is composed of iron and other elements, whereas the inner core is hot and solid due to high pressure.
Hence, the inner core of Earth remains solid even though it is very hot because the pressure is so great at the inner core that it causes atoms to push together, so the second option is the correct answer.
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The ____________ Variable may cause changes in the _______________________ variable.
Answers
The independent variable may cause changes in the dependent variable
Answer:
independent, dependant
Explanation:
The independent variable is what the experiment is based on such as what you change like the temperature that batteries are put in as the independent variable and how long the different temperature batteries last is the dependant variable.
g the endangered species act has part 2 a. saved all endangered species without affecting anyone. b. had no impact on either the number of endangered species or other economic activities. c. caused a loss of economic activities on some private land. d. further reduced the number of endangered species.
Answers
Conserving vulnerable and endangered plants and animals is the main goal of the Endangered Species Act. EPA is a tool for preserving endangered species.
What does the Act's second clause say about endangered species?(2) Each Federal agency shall ensure that any activity approved, supported, or carried out by such agency (hereafter in this section referred to as a "agency action") is not likely to jeopardize the survival of any endangered species or habitat.
The Endangered Species Act of 1973 consists of what four essential components?The main components of the ESA are the listing and preservation of species, the identification of important habitat and prevention of habitat degradation, and consultation with federal agencies on acts that might endanger listed species.
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GIVING BRAINLIEST AND 20 POINTS PLS HELP lol
A bird’s body cells have 36 chromosomes. How many chromosomes are in the same bird’s sperm or egg cell?
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Answer:
Explanation:
4
How does the electromagnetic spectrum relate to a grouping of stars based on color?
(This is due very soon!)
Answers
Explanation:
Objects in the universe send out an enormous range of electromagnetic radiation. Scientists call this range the electromagnetic spectrum, which they have divided into a number of categories
i hope it would help
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A useful formula of wavelength:
\(\\ \sf\longmapsto \lambda=\dfrac{c}{v}\)
wavelength is the length 7 of wave having SI unit lambdaAmebas are single-celled organisms that need to obtain food in order to
A. release oxygen into the air
B. protect themselves from other living
things
C. get the energy they need to carry
out life functions
D. remove harmful chemicals from the
environment
Answers
I WILL GIVE BRAINLY PLEASE HURRY!!
Some towns have decided to bury their garbage to get rid of it. What is one harmful effect of this practice?
Answers
Answer:
It can put harmful substances into the atmosphere and boost climate change.
Explanation:
brainliest pls
Answer:
plants and animals habitats will be ruined and or killed off by this harmful practice
6. There are four errors in the passage below. Highlight/underline them and make corrections.
Plants use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for anaerobic respiration. Because there is a net release of oxygen, we have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into kinetic energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.
Answers
Answer: Plants use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for anaerobic respiration. Because there is a net release of oxygen, we have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into kinetic energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.
Explanation Corrected version
Plants do not use all of the glucose they produce for respiration. All of the oxygen released in photosynthesis is released by plants; some of it is needed for aerobic respiration. Because there is a net release of oxygen, we don't have an oxygen-rich atmosphere on Earth to support other animals. Animals can’t use solar energy directly, but plants convert solar energy into chemical energy in the form of glucose and other organic molecules and this transfers through the food chain to animals.
Due to a mutation, an autosomal cell in a multicellular organism does not receive the normal signal to stop dividing. What effect will this most likely have on the organism?
A.
It will experience tumor growth.
B.
It will be unable to reproduce.
C.
It will age at an increased rate.
D.
Its cells will become inactive.
Answers
Tumor means the cell is constantly diving in an inordinate amount. This will eventually lead to cancer.
cardiovascular system discussion coursehero unitekcollege fremont
Answers
The cardiovascular system comprises the heart and blood vessels that transport blood throughout the body. The cardiovascular system is a closed network of tubes that begins and ends at the heart.
Blood is circulated through the arteries and veins by the cardiovascular system, which is responsible for supplying oxygen and nutrients to cells, as well as removing carbon dioxide and other waste products .The cardiovascular system has three basic parts: the heart, the blood vessels, and the blood.
The heart is the most critical organ of the cardiovascular system, acting as a pump to move blood throughout the body. The cardiovascular system's blood vessels include the arteries, veins, and capillaries that transport blood. Blood is a vital component of the cardiovascular system, carrying oxygen and nutrients to the body's cells while also removing waste products such as carbon dioxide.
The cardiovascular system, which is responsible for maintaining homeostasis and regulating various physiological processes, is critical to overall health and well-being. Course Hero and Unitek College in Fremont offer courses on the cardiovascular system, covering topics such as anatomy and physiology, diseases and disorders, and diagnostics and treatment options. These courses are designed to provide students with a thorough understanding of the cardiovascular system and its importance to overall health and well-being.
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which of the following is most closely related to the unique density patterns of water described?
Answers
Answer: Actually, the exact density of water is not really 1 g/ml, but rather a bit less (very, very little less), at 0.9998395 g/ml at 4.0° Celsius (39.2° Fahrenheit).
Explanation: Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. is a constant, so their respective concentrations are inversely proportional to each other.
Actually, at 4.0 degrees Celsius (39.2 degrees Fahrenheit), water has a density of 0.9998395 g/ml, which is very, very slightly less than 1 g/ml. Its numerous distinctive characteristics.
What is Density patterns?A solid form that is less dense than its liquid form, a comparatively high boiling point of 100 °C for its molar mass, and a high heat capacity, are all brought about by its hydrogen bonding.
The density equation is straightforward: Take the mass of an item with uniformly distributed material.
A substance's density is a measurement of how heavy it is in relation to its size. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher. The density of a material is a distinguishing quality that is independent of the substance's volume.
Therefore, Actually, at 4.0 degrees Celsius (39.2 degrees Fahrenheit), water has a density of 0.9998395 g/ml, which is very, very slightly less than 1 g/ml. Its numerous distinctive characteristics.
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Which cycle is represented in this image?
A. Nitrogen cycle
оо
O B. Water cycle
O C. Oxygen cycle
O D. Carbon cycle
SUBME
Answers
The given image represents the oxygen cycle. The correct option is C.
What is oxygen cycle?The biogeochemical cycle that describes the movement of oxygen within and between the Earth's atmosphere, biosphere, and lithosphere is known as the oxygen cycle.
Oxygen is constantly produced and consumed in various parts of the cycle, with photosynthesis, the process by which green plants and some bacteria convert carbon dioxide and water into organic compounds and oxygen, serving as the ultimate source of oxygen.
The oxygen produced during photosynthesis is released into the atmosphere and used by living organisms for respiration, which is the breakdown of organic compounds to release energy and carbon dioxide.
Human activities, such as the burning of fossil fuels and deforestation, can have an impact on the oxygen cycle by altering the balance of carbon dioxide and oxygen in the atmosphere.
Thus, the correct option is C.
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Your question seems incomplete, the probable complete question is:
Which cycle is represented in this image?
A. Nitrogen cycle
оо
O B. Water cycle
O C. Oxygen cycle
O D. Carbon cycle
An anthropologist discovers the fossilized heart of an extinct animal. The evidence indicates that the organism's heart was large, was well-formed, and had four chambers, with no connection between the right and left sides. ________. A reasonable conclusion supported by these observations is that the A. animal had evolved from birds B. animal was endothermic and had a high metabolic rate C. animal was most closely related to alligators and crocodiles D. species had little to no need to regulate blood pressure
Answers
The solution that is right is B. Animal had a high metabolic rate and was endothermic.
The blood is continuously restrained within vessels of various sizes in a closed circulatory system. In this circulation, the heart pumps blood, which raises the metabolic rate of mammals. Animals with endothermic (body temperature-regulated) bodies include aves and mammals. folks with warm blood.The circulation is halted in the presence of a four-chamber heart. A fossil animal can be used instead because it resembles aves. The animal had a closed circulatory system, a high metabolic rate, and was endothermic.The closest relative of mammals All endothermic creatures, such as birds and mammals, have fully divided ventricles and a four-chambered heart, in contrast to amphibians and the majority of reptiles, which have a three-chambered heart.
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A horse began running due east and covered 25km in 4.0 he what is the average velocity?
Answers
The average velocity of the horse is 6.25 km/h in the east direction. To find the average velocity, we divide the total displacement by the total time taken.
To find the average velocity, we divide the total displacement by the total time taken.
Given:
Distance covered (displacement) = 25 km (east)
Time taken = 4.0 hours
Average velocity = Displacement / Time
Since the horse ran due east, the displacement is equal to the distance covered (25 km) in the positive direction.
Average velocity = 25 km / 4.0 hours
Average velocity = 6.25 km/h (east)
Therefore, the average velocity of the horse is 6.25 km/h in the east direction.
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Rank the order in which the earliest organisms evolved.
Green Algae, Archea and Bacteria, Shelled Invertebrates, Protists, Fungi and shell-less invertabreas.
Answers
The order in which the earliest organisms evolved -
Archaea and bacteriaProtistsFungi and shell-less invertebratesGreen algaeShelled InvertebratesOn the earth, various kinds of organisms evolve at different geological times, and on their evolution, they consider the oldest or youngest organisms:
Archaebacteria and bacteria was the oldest living organism on earth was, they lacked a membrane-bound nucleus and cell.The protists evolved after the bacteria, they were multicellular prokaryotic organisms.Fungi and the shell-less invertebrate, much-developed organisms in terms of body organization and structure. These have membrane-bound, well-defined cell membranes, and a nucleus. They even had a tissue level of organization.Green algae evolve after protists which belong to the division Thallophyta of the plant kingdom. These are photosynthetic as they have chlorophyll in the cell.Shelled Invertebrates are the youngest organisms that evolved recently among these.Thus, the correct order is -
Archaea and bacteriaProtistsFungi and shell-less invertebratesGreen algaeShelled InvertebratesLearn more about geological time scale:
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According to Darwin’s theory of natural selection Why do species evolve over time
Answers
Answer:
According to Darwin, species evolve because those with undesirable or dangerous traits don't reproduce as much or die before they can reproduce. This causes the organisms with the most desirable traits that allow for higher reproduction or survival rates (which go hand in hand) to pass those traits on until they eventually evolve into a different species.
Name some eco-friendly features you might look for while shopping for your first vehicle. Also, explain techniques you can use while driving any vehicle to increase fuel efficiency and reduce emissions
Answers
Answer:
Eco friendly features are the characteristics of a car which helps to prevent and reduce water, air and land pollution to the barest minimum.
These features include Emission Sensors, LED Lights, Hybrid Engines, Radar Alerts and Air Filtration Systems.
Techniques you can use while driving any vehicle to increase fuel efficiency and reduce emissions include driving conservatively, use of speed bumps and regular maintenance.
Some eco-friendly resources that you can look for when buying your first vehicle, that it is not powered by fossil fuels, so it can be powered by electricity or hybrid, with that, it is still necessary to continue using your car correctly so as not to emit other pollutants, to know more.....
Ecological carA hybrid ecological car, powered by solar energy and even electricity, brings numerous benefits to the environment. These vehicles are the ones that mix the use of electricity and fuel to move around. Generally, at low speeds, electricity is used as the main form of movement and gasoline only kicks in when high speeds are required.
The models powered by solar energy and electricity do not use fuel to move. The great advantage of this for the environment is the reduction in the emission of pollutants, such as CO2, which actively participates in the greenhouse effect and consequent global warming. With the use of ecological vehicles, our planet must become a better place to live.
With this information, we can conclude that choosing a car powered by renewable energy is the best option to choose, to maintain the ecological balance and health of the planet.
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The following are 5 types of receptors that receive tactile info in the dermis. is the dermis the outer middle or inner layer of skin?? Describe what each of the following does
papillary layer
reticular layer
pacinian corpuscles
meissner corpuscles
merkel cells (discs)
Ruffini endings
free nerve endings
Answers
Answer:
Dermis is the middle layer
Explanation:
Epidemis is the surface layer dermis is the middle, and hypodermis is the deepest layer.
Sorry I can only answer half the question
how does the author compare gold and silver
Answers
Answer:
One question! Which author are you talking about?
Explanation:
Complete the following sentences about carbohydrates.
monosaccharide, polysaccharide, disaccharide, carbohydrate
a.) Lactose, the sugar in milk, is a _____, because it can be split into two monosaccharides.
b.) A simple sugar is composed of equal parts carbon and water, which gave rise to the general name of any sugar as a _____.
c.) A _____ cannot be hydrolyzed any further.
d.) A carbonate that yields many monosaccharides when hydrolyzed is a ______.
Answers
A) Lactose, the sugar in milk, is a disaccharide, because it can be split into two monosaccharides.
B) A simple sugar is composed of equal parts carbon and water, which gave rise to the general name of any sugar as a carbohydrate.
C) A polysaccharide cannot be hydrolyzed any further.
D) A polysaccharide that yields many monosaccharides when hydrolyzed is a polysaccharide.
Carbohydrates are the most commonly consumed macronutrient. Carbohydrates are found in all living organisms, and they are an essential component of our diet. The three forms of carbohydrates are monosaccharides, disaccharides, and polysaccharides.
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If we pick a plant and an animal cell, which one of them would lose its shape
Answers
Answer:
the animal cell would lose its shape as the plant cell has a cell wall which gives shape and protection.
by the animal cell don't have a cell wall.
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Explanation:
Explain, in their own words, the allopatric speciation model and describe the role of intraspecific variation and geographical isolation.
Answers
The allopatric speciation model is a process by which new species are formed through geographic isolation.
The process occurs when a population of organisms is separated from other members of the same species by a physical barrier, such as a mountain range or body of water. Over time, the separated populations may accumulate genetic differences, ultimately resulting in distinct species.
Intraspecific variation plays a crucial role in this process because it is the genetic variation within a single species that allows for evolution to occur. This variation is the result of mutations, genetic recombination, and other mechanisms that can introduce new genetic traits into a population. Over time, these variations can accumulate and ultimately lead to the development of new species.
Geographic isolation is also a critical factor in the allopatric speciation model. When populations of organisms are separated by geographic barriers, they are no longer able to interbreed, which can lead to the accumulation of genetic differences over time. As the populations become more genetically distinct, they may develop unique adaptations to their environment, ultimately resulting in the formation of new species.
Thus, allopatric speciation is a process by which new species are formed through geographic isolation, and intraspecific variation plays a crucial role in this process. As populations become more genetically distinct, they may develop unique adaptations, ultimately leading to the formation of new species.
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