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SIZIF [17.4K]
3 years ago
14

Suppose you observed that tina has a circular area without hair on the back of her scalp. what word would best describe this

Biology
1 answer:
vodka [1.7K]3 years ago
8 0
The answer to this question would be: alopecia areata

In this question, there is a certain area of the scalp that didn't have any hair. The best term to this condition would be alopecia areata.
There are a few reasons why a spot of baldness can appear. It can be caused by stress that inducing autoimmune disease. Before diagnosing a patient with this you must exclude the possibility of fungal infection as it can destroy the hair and make it look bald.
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Which of the following statements about 2,3-bisphosphoglycerate (BPG) binding is FALSE?
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Answer:

The answer is C. BPG aids oxygen delivery to tissues by increasing the affinity of myoglobin for oxygen

Explanation:

The 2,3-bisphosphoglycerate (BPG) which can also be referred to as the 2,3 - di phosphoglycerate , is being produced by the red cells and has the ability to deoxygenate hemoglobin. This is because , his accumulation results to a decrease in the affinity for oxygen, this means that , it will convert hemoglobin to a low oxygen affinity state.

In this case, comparing the options given, it will be concluded that, 2,3  -biphosphoglycerate {BPG} does not aids the delivery of oxygen to tissues, but  decreases the affinity of oxygen, which deoxygenate hemoglobin, and causes the concentration of the carbon dioxide to increase.

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3 years ago
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3 0
3 years ago
Which lipid acts as a chemical messenger?
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g Both transduction and transformation establish that DNA is the genetic material of most living organisms. Both processes invol
Rudik [331]

Answer:

transformation is carried out by random uptake of DNA, and transduction by a bacterial virus

Explanation:

Transformation and transduction are two of the three processes bacteria uses in genetic recombination (the third being conjugation). As rightly stated in the question, both processes establish that DNA is the genetic material of most living organisms and they both involve transfer and expression of DNA from cell to cell.

However, both processes are different in the way they get the foreign DNA into the bacteria cell.

- Transformation involves the random uptake of foreign extracellular DNA by the host bacterial cell.

- Transduction involves the transfer of foreign DNA into a bacteria cell via a virus called BACTERIOPHAGE. N.B: A bacteriophage is a virus that infects a bacteria host.

3 0
2 years ago
Taylor wanted to see if eating apples would help her do better on her classwork. The first day, she didn’t eat any apples. On da
Ludmilka [50]

Answer:

Control- The day she didn't any apples

IV- The amount of apples

DV-Her grades

Explanation:

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3 years ago
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