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slega [8]
2 years ago
13

Why doesn’t the Antibodies in Lyme Disease Antigens (orange line) decrease after the first immune response, compared to non-Lyme

Disease Antigens (blue line)?
Biology
1 answer:
aev [14]2 years ago
3 0

Answer:

Even after an infection is over, your immune system continues to make antibodies. Once you test positive for the bacteria, your blood will continue to test positive for months or years even after the bacteria are no longer present.

Explanation:

using brain

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Select all that apply: Which of the following affect(s) the half-life of a radioactive substance?
frutty [35]

Answer:

The correct answer is option A, the type of isotope

Explanation:

The half life of a radioactive substance is a constant value and thus it is not affected by the temperature, catalyst or mass of the substance.  Basically it is the time taken by a radioactive substance to reduce its mass by half of its actual value. Radioactive decay takes place only when the atomic nucleus becomes unstable and thus the isotope type is the only factor which affects the radioactive decay of any element.  

8 0
3 years ago
Which statement about the immune system is false?
nika2105 [10]

Answer:

Can you please give the options because there are many questions to this?

6 0
3 years ago
Read 2 more answers
the seed's food source will be used up by the time the new plant developsleaves. why does the plant no longer need the cotyleddo
Xelga [282]

Answer: The plant becomes self-sufficient when leaves grow onto it.

Explanation: The leaves will start photosynthesis instead of the Cotyledons providing nourishment for the seed.

4 0
2 years ago
You arrive at a residence where you find a woman in her early 60s. She is anxious, tachycardic, and her fingertips and lips are
riadik2000 [5.3K]

Answer:

Congestive Heart Failure.

Explanation:

Congestive heart failure may be defined as a type of the chronic condition that might affect the pumping of the heart muscles. The fluid gets accumulated in the heart.

The congestive heart failure cannot be easily marked in youngsters but can be marked easily in the old persons. The individual feels difficulty in breathing and may also suffer from the tachycardia. Excessive sweating and change in the nail color is common in severe heart failure.

Thus, the correct answer is option (D).

3 0
3 years ago
What kinds of molecules allow the different types of interactions between cells and the matrix?
Marat540 [252]

The receptor molecule is the ones which allow different interaction to occur between the matrix and the cell.

<u>Explanation:</u>

Receptor molecules are the protein molecules that have the ability to bind the signaling molecules at the surface of the cell in order to send signals to the matrix. Those signals on receipt<em> </em>act as the channel of communication.

Thereby, the interaction between the cell and matrix is established. Usually, this is one of the kinds of interaction. Paracrine interactions are interaction within adjacent cells whereas the endocrine interactions are interaction with distant cells.

5 0
3 years ago
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