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Anastasy [175]
3 years ago
6

During a cell-mediated immune response, which of the following describes how infected cells are detected by the immune system?

Biology
2 answers:
ratelena [41]3 years ago
4 0
The correct answer to this question is A
miv72 [106K]3 years ago
3 0

Answer:

The infected cells membrane shows some of the antigens of the invading pathogen.

Explanation:

I took the test.

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If you place a strong acid in water it will likely ionize. If you put the same acid in oil it will not. Why the difference?
denpristay [2]

Answer

An acid that breaks down completely and gives off many ions, or protons, is considered to be a strong acid. ex H₂SO₄

If you place strong acid into water it dissociate acid into H⁺ ions

Water is polar solvent(H⁺ and OH⁻), which has partial positive charge on one side and partial negative charge on the other side.

Strong acids readily dissociate in polar solvents to give H+ ions.

Where as Oil is a non polar solvent it has same charge all over so no dissociation of strong acid will take place.

4 0
3 years ago
A 67-year-old client reports to her healthcare provider that she is having difficulty during intercourse, causing her pain and d
Yakvenalex [24]

The cause of the client’s pain must be because of atrophy of bulbouretheral glands. The bulbourethral glands are the one responsible for secreting a substance which we call alakaline, in order to be able to provide neutralization in the acidic environment in a person’s urethra. The bulbourethral glands are also responsible in having to provide lubrication to a person when having to do a sexual intercourse. If it gradually declines in its effectiveness, during sexual intercourse, it would likely cause the person to have pain and have difficulty in having to do an intimacy with the person’s partner as atrophy may be present in the person’s bulbourethral gland.

8 0
3 years ago
Match these items:
stepladder [879]

Answer:

a fertilized egg- zygote

separation of two ends of an old cell- cytokinesis

union of egg and sperm- fertilization

egg-producing organ in lower plants- archegonium

7 0
2 years ago
The chemical reactions involved in respiration are virtually identical between prokaryotic and eukaryotic cells. In eukaryotic c
solniwko [45]

Answer: d. on the plasma membrane

Explanation: Prokaryotic cells also synthesis ATP the limitations is that enzymes required for the synthesis of ATP are attached to the cell membrane which surrounds the cell. ATP synthesis complex of prokaryotic cells are embedded in the cell membrane. Prokaryotes lack mitochondrial/thylakoid membrane so therefore, ATP is produced on their cell surface membrane.

5 0
3 years ago
1. What does the fossil record show?​
bagirrra123 [75]

Answer:

The fossil record provides evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution. Scientists date and categorize fossils to determine when the organisms lived relative to each other.

Explanation:

5 0
2 years ago
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