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IgorC [24]
3 years ago
9

What part does the skin play in your immune system

Biology
1 answer:
salantis [7]3 years ago
3 0

Answer:

the skin contains elements of the innate and adaptive immune systems which allows it to actively fight infections. in other words <em>the skin immunity allows the bacteria/ infection ruin the body.</em>

hope this helps :)

Explanation:

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An individual flying over the chernobyl site two days after the explosion most probably experienced what hazard or hazards?
jeyben [28]
<span>Acute exposure to radioactive substances.
 Acute exposure is radiation exposure that occurs in a short time period. It can be an exposure that occurs once in your lifetime. This might be that one foot x ray you had because you may have broken your foot. Acute exposure can also be exposures that occur more than once, but very infrequently and for short periods of time. This might be dental x rays you get every few years.</span>
3 0
3 years ago
in an experiment, you mutate the retinoblastoma gene such that its gene product behaves as if hyperphosphorylated. the result wo
lakkis [162]

Answer:

1. Weaker

2. Continuous

Explanation:

A tumor suppressor gene codes for retinoblastoma protein (pRb). The retinoblastoma protein binds to transcription factor E2F when DNA damage is detected. The E2F bound to pRb can not stimulate expression of genes that code for proteins required during the process of DNA synthesis. The cell can not enter the S phase.

On the other hand, when the retinoblastoma protein is phosphorylated by cyclin E-CDK2, E2F transcription factor is free to stimulate the expression of genes required for DNA synthesis and the cell proceeds from G1 to S phase.  

When the mutated retinoblastoma gene code for a protein that serves as phosphorylated protein, it will not be able to bind strongly with E2F and there would be continuous expression of genes required for S phase.  

3 0
3 years ago
Which of the following is a scientific statement?
skad [1K]

The correct answer is D. According to DNA comparisons, humans share a common ancestor with chimpanzees.

Explanation

A scientific statement is a statement made based on scientific evidence, that is, a scientific statement is the result of several tests focused on testing a hypothesis or proposal. These scientific statements can be developed in different areas of knowledge such as science, biology, physics, mathematics, geometry, among others. they are also predominant in the exact sciences because in the human sciences it is complicated to establish scientific statements because human behavior does not obey exact laws. According to this definition, option D. is the correct answer because it refers to DNA tests between humans and chimpanzees and therefore this is based on scientific evidence and tests.

6 0
3 years ago
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Delvig [45]

Answer:

Aspirin, ibuprofen, or acetaminophen.

Explanation:

7 0
3 years ago
Which theory is currently accepted as explaining the Moon's creation?
aliya0001 [1]

Explanation:

The giant-impact hypothesis is currently the favored scientific hypothesis for the formation of the Moon. Supporting evidence includes: Earth's spin and the Moon's orbit have similar orientations. Moon samples indicate that the Moon's surface was once molten.

5 0
3 years ago
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