Explain how specific membrane-bound organelles of the keratinocytes are used to produce, transport, and modify aquaporin polypeptides from mRNA.

Answers

Answer 1

Answer:

Epidermis.

It is composed of keratinized, stratified squamous epithelium and is made up of 4 layers of epithelial cells depending on its location in the body. From deeper to superficial these layers are stratum Basale, stratum spinosum, stratum granulosum, and stratum corneum. The cells in all the layers except for stratum besele are called keratinocytes which is a cell that manufactures and stores the protein keratin.

Stratum Basale.

It is a cuboid-shaped stem cell that is a precursor of the keratinocytes of the epidermis. Two other cell types found in this basal cell are Merkel cells which function as a receptor and are responsible for stimulating sensory nerves that the brain perceives as touch. The second is melanocyte that produces melanin pigment which gives the skin its color.

Stratum spinosum.

It is spiny in appearance due to the protruding cell processes that join the cells via a structure called desmosome. The desmosome cell interlock with each other to strengthen the bond between the cell. Keratinocytes in the stratum spinosum stats synthesizing keratin and release water-repelling glycolipid that helps to prevent water losses from the body.

Stratum granulosum.

They are grainy in appearance due to further change in keratinocytes as they are pushes from the stratum spinosum. The cells become flat as their membrane thickens to allow the production of protein keratin which accolades as lamellar granules within the cells.

Stratum Lucidum.

It is a smooth and translucent layer of the epidermis situated above the stratum granulosum. Keratinocytes containing these cells are dead and flat. Stratum lucidum cells are packs with eleiden derived from keratohyalin which give these cells their transparency and provide a barrier to water.

Stratum corneum.

This is the most superficial layer in the epidermis and it prevents penetration of microbes and dehydration of underlying tissues.

Dermis.-This is the inner layer of the skin and has the following functions.

Reticular layer

Just below the papillary layer, we have a much thicker layer called the reticular layer composing of dense connective tissue. It contains elastin fibers providing elasticity to the skin enabling movement.

Hypodermis

Explanation:

Answer 2
KeratinocytesKeratinocytes produce a wide variety of cytokines that have important roles in mediating cutaneous immune responses, inflammation, wound healing, and the growth and development of certain neoplasms. Keratinocytes also produce eicosanoids, prostaglandin (PG) E2, and neuropeptides such as propiomelanocortin and α MSH.In the basal layer of the skin, the innermost stratum, a basal keratinocyte has just divided by mitosis to form a new basal keratinocyte. This new cell starts to divide itself and produces many more keratinocytes.The keratinocytes from the squamous layer are then pushed up through two thin epidermal layers called the stratum granulosum and the stratum lucidum. As these cells move further towards the surface of the skin, they get bigger and flatter and adhere together, and then eventually become dehydrated and die.

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Explain How Specific Membrane-bound Organelles Of The Keratinocytes Are Used To Produce, Transport, And

Related Questions

If you cross a white-eyed female (ww) to a red-eyed male (WY) Drosophila fly, you will see red-eyed females and white-eyed males in the F1 generation. If you cross an F1 red-eyed female to an F1 white-eyed male, what is the approximate percentage of total progeny in the F2 generation that are white-eyed males

Answers

Answer:

25%

Explanation:

ww gives white-eye female

WY gives red-eye male

       ww    x    WY

 F1: Ww   wY   Ww   wY

Ww - red-eye female

wY - white-eye male

Crossing the two F1

           Ww    x    wY

F2: Ww   WY   ww   wY

Remember that white-eye male = wY

Percentage of wY = 1/4 or 25%

Hence, the percentage of progeny in the F2 generation that would be white-eye males = 1/4 or 25%

How is stress stored
in a rock released?

Answers

Answer: The stress builds up in rocks. However, rocks eventually break, and the stored stress is released as energy in the form of earthquakes. ... The energy released during an earthquake migrates away from the focus of the earthquake (location of the first break of the rocks) as waves. These waves are called seismic waves.

Explanation:

stored stress is released as energy in the form of earthquakes

Which mutation(s) cause the product to be a non-functional protein?

Answers

Answer:Nonsense mutations produce truncated and frequently nonfunctional proteins

Explanation:

How are prokaryotic cells classified by shape? Explain in detail.

Answers

Answer:

The two prokaryotic domains (Archaea and Bacteria) each comprise several smaller taxonomic groupings. Within the Archaea are the euryarchaeotes, crenarchaeotes, nanoarchaeotes, and korarchaeotes. Within the Bacteria are proteobacteria, chlamydias, spirochetes, cyanobacteria, and gram-positive bacteria.

Explanation:

hope this helps have a good rest of your day :) ❤

Which of the following was Matthew Maury's greatest accomplishment?

A. Maury sailed around the world in the fastest time.
B. Maury discovered the smallest member of the ocean’s food chain.
C. Maury learned how to create maps.
D. Maury mapped the bottom of the Atlantic Ocean.

Answers

Answer:

b

Explanation:

As human populations grow, do you think deforestation will continue to increase, or do you think it will decrease, and why? This subject is for Environmental Science btw

Answers

Answer:

Deforestation will increase do to the need of more homes

Explanation:

Which of the following are ways that you can reduce your contribution towards climate change?
a) All of these
b) Using public transportation
c) Powering down electronics
d) Recycling

Answers

Answer:

A

Explanation:

they all reduce carbon dioxide admissions

After fertilization the zygote
A:begin to change
B:disappears
C:stays the same

Answers

I think it’s A, begins to change :))

Please answer right im failing this subject and ive cried over it for 2 hours jskdfbf

Which of the following is NOT a category that is used to describe soil?


particle size

density

absorbency

texture

i only have 11 points

Answers

Answer:

C. Absorbency, because all soil does not absorb water, such as sand. The other components such as clay, silt, and organic matter are much smaller and absorb much more.

Do you think microbes, such as bacteria, viruses, fungi, and parasites, are
good, bad, both, or neither?
Edit View Insert Format Tools
Table
12pty
Paragraph
B
AeTM

Answers

I think they are good and bad

All body cells contain identical DNA.- true or false

Answers

It’s true, nearly every body has the same cells of DNA.
i believe the answer would be true

what is the difference between a disease and an infection​

Answers

Answer:

disease occur when the cells in your body are damaged and multiplies and infection occurs when bacteria is there.

hopefully this helps.

A disease is any condition in which the body is not working properly. Many diseases are quite trivial and clear up quickly without treatment, for example a cold. Some are severe, even life-threatening, such as many, not all, types of cancer.

Infections are one particular type of disease. An infection is a disease caused by a living organism (a germ), which is living in the body of the affected person. The germ may be a bacterium, virus, fungus or parasite.

Like all diseases, infections vary in how severe they and whether they need treatment. The common cold is a virus infection; colds are not dangerous unless a person is already sick or very weak. Tuberculosis is a bacterial infection, which can be very difficult to treat and causes many deaths every year.

The net movement of water takes place from the ____ side to the ____ side of the membrane.

Answers

The net movement of water takes place from the Hypotonic side to the Hypertonic side of the membrane.

Where does the net movement of water take place?

The net Action of water is in the order of risen solute concentrations.

An easy way to imagine this rule is just that the net water move in an area of high water concentration to an area of lower water concentration.

Thus,  The net movement of water takes place from the Hypotonic side to the Hypertonic side of the membrane.

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"The bird has brown spots on its wings" is an example of an inference,
True
False

Answers

Trrue because that’s the answer I chosen

Pls help me.......... ​

Answers

Answer:i got u

Explanation:

Answer:

what in the world am I supposed to find

What is the difference between self-love and selfishness according to Aristotle?

ANSWER ONLY FOR YOU KNOW

Answers

Answer:

The right kind of self-love is an achievement, love for what is best in us, motivated by self-love. Selfishness for Aristotle does not hold negative connotation, when considered in the context of a good or virtuous man., but rather motivates human action.

Explanation:

Short tails (T) are dominant to long tails (t). What is the probability of a long-tailed mouse in the cross Tt x tt?
25%
50%
O 75%
O 100%

Answers

Answer:

50%

Explanation:

if you do a punnett  square you get two Tt and two tt. so two tt is half, which means half will be long-tailed tt, so 50%

50% of the mouse offsprings will have long tail.

According to this question, a gene coding for tail length in mouse is involved. The allele for short tails (T) are dominant to long tails (t).

In a cross between Tt (short tail) × tt (long tail), the following gametes will be produced by each parent:

Tt - T and ttt - t and t

Crossing these gametes in a punnet square (see attached image), the following offsprings of mouse will be produced: Tt, Tt, tt and tt.

Tt (2) = Short tail mice (50%)tt (2) = long tail mice (50%)

Therefore, 50% of the mouse offsprings will have long tail.

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‼️‼️‼️‼️‼️help a female out:)‼️‼️‼️‼️

Answers

Answer:

B. Immune and circulatory

Explanation:

Answer:

B) Immune and Circulatory

Explanation:

Because the immune system has to give the body the things it needs to heal. And the circulatory system is taking it to where it needs to go. I hope this helps :)

Help please with 4 super easy

Answers

Answer:

A Air pressure

Explanation:

Hope this helps have a great day

Two students gather information on the global effects of plastic found in ocean waters. Student A collected information from three peer-reviewed scientific journals on the internet while student B collected information from a local newspaper.
Which statement best describes the reliability of the students' research?

A
Student A's research is more reliable because it was gathered from peer-reviewed journals.
(Choice B)
B
Student B's research is more reliable because it came from a single source.
(Choice C)
C
Student B's research is more reliable because newspapers can only publish current research.
(Choice D)
D
Student A's research is more reliable because it came from the internet.

Answers

Answer:Student A’s research is more reliable because it was gathered from peer-reviewed journals.

Explanation:

In any experiment, reliabilty and validity is very important. The best statement that best describes the reliability of the students' research is that Student A's research is more reliable because it was gathered from peer-reviewed journals.

Reliability is simply known as an individual obtaining the same answer through the use an instrument to measure something more than once.

It is the degree to which research method gives stable and consistent results.

Reliability often deals with consistency of a measure. Ita types are test-retest reliability, internal consistency, and inter-rater reliability.

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What affect do you think a locust swarm would have on the flow of energy through the food web when they pass through an area?

Answers

The locust swarm made a mass affect in the flow of energy because the locust had huge population which the predators couldn’t eat them

Summarize for prophase?

Answers

Answer:

Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.

If false, please make it a correct statement. A rancher uses a particular chicken for breeding purposes because, on average, she observed that the chicken laid more eggs than other chickens. The rancher selecting the desirable trait would be considered an example of natural selection.
a) true
b) false

Answers

Answer:

b) false

Explanation:

The given statement is false. the selection process used by the rancher is an example of artificial selection and not natural selection.

Artificial selection is defined as the selection process done by humans on the basis of desirable characters while in natural selection the selection is based on the  adaptive characteristics of animals. In the given example rancher choses a desirable character of chicken that lays more eggs.

Hence, the given statement is "false".

Please answer fast!

Answers

Answer:

C

Explanation:

Acclimatization does not change ___________, so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive________.

If an individual coral colony can __________to the warming water, this means it might _________as the ocean continues to warm. Individuals that cannot do it will___________. It is important for these changes to__________. Natural selection ________corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will __________to warm water.

Answers

Answer:

Acclimatization does not change Genotype so traits that arise via acclimatization cannot be passed on to offspring. On the other hand, an adaptation CAN be passed on to offspring, which means that adaptations can drive Evolution.

If an individual coral colony can Acclimatize to the warming water, this means it might  Survive as the ocean continues to warm. Individuals that cannot do it will Die. It is important for these changes to Become inherited. Natural selection will favor corals that have these characteristics that enable them to tolerate warm water. So, over time, coral populations will Adapt to warm water.

Acclimatization does not change genotype so traits that arise via

acclimatization cannot be passed on to offspring. On the other hand, an

adaptation CAN be passed on to offspring, which means that adaptations can

drive evolution.

If an individual coral colony can acclimatize to the warming water, this means

it might survive as the ocean continues to warm. Individuals that cannot do it

will die. It is important for these changes to become inherited. Natural

selection favors corals that have these characteristics that enable them to

tolerate warm water. So, over time, coral populations will adapt to warm

water.

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help!! Plsss ASAP really neee it

Answers

Prokaryotic Cells
Hope this Helps! :D

Name 4 body structures composed of protein

Answers

Collagen protein fibers are located in many parts of the body, including the muscles, tendons, ligaments, and bones. Collagen and another protein called elastin are often found together.

A cactus is a type of plant that grows in the desert. An adaptation cacti have developed to survive in the hot and dry desert is
A)
the use of desert insects for their pollination
B)
the ability to create shade to avoid the hottest part of the day
the development of spines to discourage birds from landing on them
D)
the ability to store large amounts of water in their stem and roots.

Answers

Answer:

D is the answer

Explanation:

Answer:

D

Explanation:

It is important that cells make the correct proteins necessary for survival. Which of these is true concerning the processes of transcription and translation?

A. Plants produce proteins much differently than animals.
B. Certain multicellular organisms do not use ribosomes to make their proteins.
C. The processes of transcription and translation are the same for all living organisms.
D. Quite often, depending on the type of cell, only transcription is needed to make proteins.

Answers

Answer: C. Transcription and translation are the same for all life.

Explanation:

Fill in the blank with correct term or phrase to complete each sentence.
19. In eukaryotes, transcription takes place in the________
20. Transcription begins when________
binds to the gene's promoter.
21. RNA polymerase adds complementary_________
as it "reads" the gene.
22.
___________is a strand of nucleotides that carries the DNA message from the nucleus to the ribosomes.
23.
_____________are the part of DNA that is transcribed into mRNA.
24.
______________are the part of DNA that is not transcribed into mRNA.

Answers

Answer:

19) nucleus

20) RNA polymerase

21) DNA / RNA nucleotides

22) The mRNA molecule

23) Templates

24) Introns

Explanation:

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