The answer is keratinization. This is sometimes called as cornification action. It is the development of dead, protective, and superficial layers of cells occupied with keratin. Happens on all bare skin surfaces. Cells transfer from stratum basale to stratum or in other words deep to superficial in a period of 15-30 days.
In prokaryotes, rna synthesis and protein synthesis take place in the
What is the greatest cause of muscle atrophy? biology?
Anna marie evens is 83 years of age. due to osteoporosis, her back is bent into a severe hump. this condition is called
What do gradualism and punctuated equilibrium have in common?
Answer:
Both theories agree that evolution occurs gradually.
Explanation:
Both are evolution theories. The theory of gradualism was supported by Charles Darwin. This theory says that the evolution of some trait of a species occurs slowly over time and gradually. In contrast, the theory of punctuated gradualism says that these jumps in species do not occur gradually. If not they are sudden. Or that in time periods they are absent and in others they are much faster. Both theories agree that evolution occurs gradually. They differ in how those changes graduate.
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.
Gametes contain ________ the genetic material that a somatic (body) cell contains.
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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The ____________ is a law that requires an extension of health insurance benefits after termination
1) What is the main difference between prokaryotic cells and eukaryotic cells? A) Eukaryotic cells are smaller than prokaryotic cells. B) Only eukaryotic cells have its genetic material surrounded by a membrane. C) Prokaryotic cells have many organelles, each with their own specialization function. D) Eukaryotic cells have a cell membrane and a cell wall; prokaryotes have a membrane only.
Cells are the structural and functional unit of life. The cells can be categorized into eukaryotic and prokaryotic based on their structure, function, and properties.
The correct answer is:
Option B: Only eukaryotic cells its genetic material surrounded by a membrane.
Eukaryotic cells are well-developed cells, with the eccentric nucleus and membrane-bound organelles. The cells have certain features:
The cell has mitochondria and other developed organelles like Golgi bodies, nucleus, and ribosomes.The flagella and cilia are the locomotory organs present in the cell.The cells have a nucleus enclosed within a nuclear membrane. The nucleus consists of genetic material.
Eukaryotic cells have organelles specialized in their functions.
Eukaryotic cells have cell membranes and some have cell walls.
Therefore, the nucleus of eukaryotic cells is enclosed in the nuclear membrane.
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Long line fishing and drift nets are hazardous to fish and other marine animals. Please select the best answer from the choices provided T F
what is true in a saturated solution
Answer:
No more solute can be dissolved.
Explanation:
Verified on the test.
Is asexual reproduction better when the environment changes or when the environment does not change?
Which structure is responsible for breaking down sugar molecules in order to supply energy to the cell
The B horizon is also called the _____.
A. topsoil
B. subsoil
C. partially altered parent material
D. unaltered parent material
Answer: B. subsoil
Explanation:
A soil horizon can be define as the parallel layer of the soil which differs in texture, color and composition based upon the physical, chemical and biological activities. A typical soil horizon varies from layers above and beneath. The B horizon is called as a subsoil. It is typically comprise of high inorganic mineral density. It is developed by the process of pedogenesis. The inorganic minerals such as iron oxides, and clay are predominately present in this horizon. It is typically reddish to brownish in color due to high concentration of iron oxides.
What allows things to enter and leave a cell and is the gate keeper?
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.
On which planet(s) is the greenhouse effect present? (choose all that apply.)
Which part of the plant cell is undifferentiated
Meristem cells
Flower and stem cells
Leaf and root cells
Phloem and xylem cells
Meristem cells are the undifferentiated part of the plant cell, capable of continuous division and differentiation into specialized tissues such as the xylem and phloem.
The part of the plant cell that is undifferentiated is the Meristem cells. Meristem tissue consists of undifferentiated cells that are capable of continuous division and can differentiate into various types of cells depending on the plant's needs. Plant structures such as the dermal tissue, vascular tissue, including xylem and phloem, and ground tissue originate from these meristematic cells. Xylem and phloem are examples of differentiated cells and thus not considered undifferentiated like meristem cells.
Meristems contribute to the growth and repair of plant cells by maintaining an undifferentiated state, which allows them to divide and give rise to specialized tissues when needed. The Shoot Apical Meristem (SAM) and the Root Apical Meristem (RAM) are two regions where these meristematic cells are found, providing the essential cells for growth and development of leaves, flowers, and root structures.
The most appropriate size needle for administering an im injection for a 200-lb male with a non-viscous solution is:
Final answer:
For a 200-lb male, the appropriate needle size for an IM injection with a non-viscous solution is usually 1 to 1.5 inches in length and ranging from 22 to 25 gauge.
Explanation:
The most appropriate size needle for administering an IM injection for a 200-lb male with a non-viscous solution is typically a 1 to 1.5 inch long needle with a gauge size of 22 to 25. Given the patient's weight, a longer and thicker needle may be required to ensure the medication is injected into the muscle tissue proper. This choice also allows for the needle to penetrate the skin and subcutaneous tissue, which can be thicker in a person who weighs 200 pounds.
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?
The fatty protective covering for neurons is _____.
The dna strand consists of eight pairs of nitrogenous bases. how many different sequences of eight basescan you make?
DNA is made up of four nitrogenous nucleotides. The purines are Adenine(A) and Guanine (G) while the pyrimidine present in the DNA are Cytosine (C) and Thymine (T).
65,536 different sequences can be made.
The eight bases of a DNA strand with pairs of nitrogenous nucleotides formed can be:
1. AA GG TT CC
2. GC GG AT CG
3. AT TA GG GC
4. GA AG GC GG
Sequence can be calculated by:
Pairing will result in 4 X 4 = 16 options because we have four nitrogenous bases. The number of potential sequences is 4⁸ if we have to make 8 pairs of bases.Thus, there will be a total of 65,536 different sequences of eight bases.
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The universal blood donor is o- since this blood type lacks the a, b, and rh antigens.
a. True
b. False
Genetically modified food can unexpectedly appear in
Why are molecules like water and glucose pushed out of capillaries yet blood cells and proteins aren’t?
A delta fibers can rapidly transmit pain information to the brain because
Over time, biology has explained
all living things.
why people think.
why people use tools.
many natural phenomena.
Answer:
Over time, biology has explained :
all living things.
many natural phenomena
Explanation:
Biology is the science of the living world. It studies from the characteristics and action of genes to ecosystems. Its object of study is complex and diverse, We can say that it studies living beings and the surrounding environment. Biology according to its etymology is the science that studies living things.
It has studied variety of phenomena, for example in the cell, the evolution and in the field of health
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 _____.
Cell differentiation depends on changes in (BLANK)
expression.
It's gene.
I took the test too
Answer:
Cell differentiation depends on changes in GENE expression.
Explanation:
May I have brainliest please? :)
Wet clothing accelerates the loss of body heat up to ____ times faster