What is the greatest cause of muscle atrophy? biology?
Is asexual reproduction better when the environment changes or when the environment does not change?
A stream of water will bend toward a balloon that has been rubbed on a sweater to generate static charge. which property of water is responsible for this behavior ?
Answer:
The correct answer is the polarity of the water molecule.
Explanation:
When a balloon is rubbed on a sweater it acquires a charge on its surface that produces a static charge on it. Thus, when a stream of water is targeted over the balloon, the bending of the stream of water takes place towards the balloon that exhibits static charge over it, as water possesses a dipole moment of 1.85. The production of dipole moment takes place when there is a separation of charge between the terminals of the molecule.
The ______ theory of color vision holds that we perceive colors because of pairs of receptors that make antagonistic responses.
Answer is opponent-process theory.
Further explanation
Color vision
Color vision is a capacity to see contrasts between light made out of various wavelengths freely of light force. Shading recognition is a piece of the bigger visual framework and is intervened by a mind complex process between neurons that starts with differential stimulation of various kinds of photoreceptors by light entering the eye. Those photoreceptors then transmit yields that are then engendered through numerous layers of neurons and afterward at last to the cerebrum.
Color blindness
Such condition in which an animal cannot differentiate in colors.
Types of color vision
Monochromacy
It is in marine mammals.
Dichromacy
It is present in non-primate mammals.
Trichromacy
It is seen in primates.
Tetrachromacy
Mostly in amphibians and reptiles.
Pentachromacy
Mostly in birds and insects.
Theories of color vision
Color vision theories are following .
Trichromatic Theory
The trichromatic theory of color vision, otherwise called the Young-Helmholtz hypothesis, expresses that the retina has three receptor cells, which respond to light of three unique wavelengths - red, green and blue. These cells are in charge of the impression of colors.
Opponent-Process Theory
Given by Ewald Hering, the adversary procedure hypothesis expresses that the cone photoreceptors are connected together to frame three contradicting shading sets: blue/yellow, red/green, and dark/white. Initiation of one individual from the pair restrains action in the other. Predictable with this hypothesis, no two individuals from a couple can be seen at a similar area, which clarifies why we don't experience such hues as "somewhat blue yellow" or "red green". This hypothesis likewise clarifies a few sorts of shading vision inadequacy. For instance, individuals with dichromatic lacks can coordinate a test field utilizing just two primaries. Depending upon the lack they will confuse either red and green or blue and yellow.
Answer details
Subject: Biology
Level: High school
Key words
Color vision Color blindness Types of color vision Monochromacy Dichromacy Trichromacy Tetrachromacy Pentachromacy Theories of color vision Trichromatic Theory Opponent-Process TheoryLearn more to evaluate
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Most auditory nerve fibers carry messages _______ hair cells.
Answer:
Most auditory nerve fibers carry messages from the inner hair cells.
Explanation:
The internal hair cells group the frequency and intensity of the sound stimulation, which is then transmitted to the brain by the auditory nerve fibers. Frequency coding in mammals is associated with cochlear tonotopia. However, the sounds of frequency lower than 3 kHz, their coding is based on phase blockage at the level of hair cells.
Harold needs to format several cells with 11pt calibri font, two decimal places, right-aligned, and a blue font color. the most efficient way to accomplish this would be to _____.
From an evolutionary perspective, what adaptive value do mirror neurons have?
Mirror neurons have adaptive value in enabling mimicry and understanding the actions of others, which is important for language development.
Explanation:Mirror neurons have an adaptive value from an evolutionary perspective because they enable mimicry and the ability to understand and interpret the actions of others. This ability is thought to be a fundamental prerequisite for language development. In primates, such as monkeys, the mirror neuron system allows them to recognize and imitate actions performed by other primates. While the neurological studies of mirror neurons are invasive and cannot be performed on humans, neuroimaging studies suggest that a similar mirror neuron system exists in humans.
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Which life-threatening wounds are treated with hyperbaric oxygen therapy? select all that apply?
A trauma patient who developed Clostridium spp., an anaerobic
bacterial infection in their femur, Tissue Hypoxia, and a client with diabetes which
has a wound that will not heal. These are the life-threatening wounds that
hyperbaric oxygen will be used as a treatment. It is a treatment that can
improved wound healing due to multiple injuries.
Non-healing wound, trauma, infection in the femur are life-threatening condition that can be treated with hyperbaric oxygen therapy
Further Explanation:
Hyperbaric oxygen therapy involves the breathing of pure oxygen in the pressurized tube or room. It is well-developed management for the scuba diving related problem or decompression sickness. Also, there are other diseases that can easily be treated with hyperbaric therapy such as wounds developed due to injury, infection, bubbles of air present in blood vessels. Hyperbaric oxygen therapy is generally applied to treat large number of medical problems. The doctor may recommend hyperbaric oxygen therapy if an individual has one of the problems:
Anemia Bubbles of air in the blood vessels Brain abscess Burn Decompression sickness Crushing injury Deafness Gangrene Infection of bone or skin that results in tissue death Non-healing wound Radiation injury Carbon monoxide poisoning Hypoxia Infection in femur Trauma
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Answer Details:
Grade: High school
Subject: Biology
Chapter: Hyperbaric oxygen therapy
Keywords:
Hyperbaric oxygen therapy, blood vessels, trauma, hypoxia, infection, femur, bone skin, non-healing wound, diabetes, injury, carbon mono-oxide poisoning.
A client reports after a back massage that his lower back pain has decreased from 8 to 3 on the pain scale. what opioid neuromodulator does the nurse know is released with skin stimulation and is more than likely responsible for this increased level of comfort?
Final answer:
The decrease in lower back pain following a massage is likely due to the release of endorphins, which bind to mu receptors in the nervous system to reduce pain.
Explanation:
When a client reports that their lower back pain has decreased after a massage, the opioid neuromodulator likely responsible for the increased level of comfort is endorphin. Endorphins are naturally produced by the body and function similarly to morphine by binding to opioid receptors, specifically mu (μ) receptors, in the nervous system. This binding effect enhances the pain-killing capabilities of enkephalin neurons which suppress the release of substance P, a neurotransmitter involved in the perception of pain. The skin stimulation from the massage likely triggered the release of endorphins, leading to a reduction in pain.
Moreover, the presence of opioid receptors in the pain neuromatrix, such as the anterior cingulate cortex and the insula, allows endorphins to reduce activation in these areas, correlating with pain relief. This phenomenon can be observed in placebo analgesia, where the expectation of pain relief is enough to trigger endorphin release and pain reduction.
It's important to recognize that while opioids like morphine and heroin can be effective at managing pain due to their action on opioid receptors, they come with risks of addiction and tolerance, whereas natural endorphin release through nonpharmacological methods, like massage, does not carry these risks.
How is the Sun's energy passed along in an ecosystem?
Sun is the primary source of energy in ecosystem where the producers all rely over the sun. The sun's energy is passes from the producers to decomposers in the form of a food chain.
What is ecosystem ?The living and non living constituents all combine together to form a circle relying on each other.
The living constituents are the living beings along with plants and non living are the abiotic factors such as water, precipitation, temperature and wind.
Sun's energy is passed from the producers that are plants along with the consumers that are herbivores that rely on plants for the purpose of food.
The carnivores depend on herbivores for their nutrition. These biotic and abiotic factors together form dependence and rely on each other making a food chain.
The balance out in nature is made to be stable by not populating any of the living beings along with the abiotic factors' disturbance to be avoided in any manner.
Therefore, the dependency is shown in the form of a food chain.
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As a result of the law of conservation of Energy a body of water cannot warm up more than the amount of heat added to it. Formulate an experiment to test this hypothesis using a sample of water in a beaker. Which method would best test this hypothesis?
Which factor causes the greatest increase in an area's flash flood risk?
Answer:
Densely populated regions with little vegetation.
Explanation:
Flooding refers to a longer event in comparison to flash flooding, it may take a few days or weeks. On the other hand, flash floods are generally featured by intense fast-moving water post heavy rains, which gashes through urban streets, river beds, or mountain canyons sweeping everything coming in their way. They can take place within minutes or a few hours of extreme rainfall. In such cases, the regions with heavy population and comprising little vegetation would be the one that would be most affected.
Why are molecules like water and glucose pushed out of capillaries yet blood cells and proteins aren’t?
compare and contrast two of the cycles of matter
Final answer:
The carbon and nitrogen cycles are essential for life, involving the transfer of carbon and nitrogen through biological and geological systems. They share similarities like cycling essential elements but differ in processes and pathways, such as photosynthesis in the carbon cycle and nitrogen fixation in the nitrogen cycle.
Explanation:
Comparing and contrasting two cycles of matter, such as the carbon cycle and the nitrogen cycle, highlights how matter is transferred within and between different biological and geological systems. Both cycles are critical for sustaining life on Earth, and involve various physical processes, chemical reactions, and biochemical processes.
The carbon cycle involves the movement of carbon among the biosphere, geosphere, hydrosphere, and atmosphere. It includes processes such as photosynthesis, where plants convert carbon dioxide (CO₂) into organic compounds, and respiration, where these compounds are used by organisms and CO₂ is released back into the atmosphere.
The nitrogen cycle includes processes such as nitrogen fixation, where atmospheric N₂ is converted into a form usable by plants, and denitrification, where nitrogen compounds are returned to the atmosphere as N₂ gas. Both cycles are crucial for providing essential elements necessary for the growth and functioning of organisms, but they operate through different pathways and involve different forms of matter.
A client with a fractured tibia and fibula is to be discharged from the emergency department with a right leg cast and crutches. in addition to the technical aspects of crutch walking, the nurse should teach the client to do what?
Gametes contain ________ the genetic material that a somatic (body) cell contains.
If 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day. What type of reasoning is this?
inductive
deductive
Answer: Option (b) is the correct answer.
Explanation:
A process in which when or more logical statements are required to reach over a certain logical conclusion is known as deductive reasoning.
For example, if 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then we can conclude that there are 86,400 seconds are in a day.
On the other hand, a process where an individual makes generalized decisions on the basis of his observation about a certain thing is known as an inductive reasoning.
For example, a 10 year old boy saw a brown color mice so he conclude that all mice are brown in color.
Therefore, we can conclude that the given reasoning, if 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day, is deductive reasoning.
the process of making generalized decisions after observing, or witnessing, repeated specific instances of something.
What allows things to enter and leave a cell and is the gate keeper?
The universal blood donor is o- since this blood type lacks the a, b, and rh antigens.
a. True
b. False
The two major electrolytes outside your cells and in your blood are
Anna marie evens is 83 years of age. due to osteoporosis, her back is bent into a severe hump. this condition is called
The purple color in a purple pea plant is dominant to a white-color. what would be the expected outcome of a cross between a purple-flowered pea plant, and a white-flowered pea plant?
what is true in a saturated solution
Answer:
No more solute can be dissolved.
Explanation:
Verified on the test.
A woman who is 12 hours postpartum had a pulse rate around 80 beats per minute during pregnancy. now, the nurse finds a pulse of 60 beats per minute. which of these actions should the nurse take?
Genetically modified food can unexpectedly appear in
The fatty protective covering for neurons is _____.
Which structure is responsible for breaking down sugar molecules in order to supply energy to the cell
Barney was giving a speech on animal-borne diseases. when discussing each disease, his slides contained a definition, symptoms, risks, treatment and ways to prevent the disease. was this an effective strategy?
Grasslands are considered transitional biomes. for which two biomes would grasslands be considered a transition? forest and tundra desert and savannah forest and savannah prairie and savannah desert and forest
Final answer:
Grasslands can act as a transitional biome between forests and deserts, as well as forests and tundras, specifically for forest and savannah, and prairie and savannah.
Explanation:
Grasslands are often referred to as transitional biomes because they can be found between forests and deserts, as well as between forests and tundras. These ecosystems are dominated by grasses rather than large shrubs or trees, and the two biomes for which grasslands can be considered a transition are forest and savannah, and prairie and savannah. The temperate grassland biome, for example, has characteristics that are intermediate between those of forests and deserts, where precipitation is too low to support a forest, but greater than that which would permit a desert to form.
Similarly, tropical and subtropical grasslands, which include savannas, act as a transition between tropical forests and more arid environments like deserts. These grasslands are characterized by seasonal droughts and fires which inhibit the development of tree-cover, making it a transitional zone between the lush forests and the dry deserts.
What are two major components of climate?