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ser-zykov [4K]
3 years ago
11

What is a B cell? Apex

Biology
2 answers:
kykrilka [37]3 years ago
7 0

Answer:

Explanation:

B cell is also called B lymphocyte. It is a type of leucocytes or white blood cell. Some of the B cells mature in the bone marrow into the plasma cells and some mature as memory cells. The plasma cells make antibodies which fight against the disease-causing pathogens which entered the body. Thus, B cells are associated with the immune system of the body.  

zhuklara [117]3 years ago
4 0

Answer:

Laying the viral antigens activate specialized white blood cells called <em>B cells</em>. The <em>B cells</em> change into plasma cells, which can then create specific antibodies to attach to the viral antigens. Antibodies make the viruses clump together, so they are then easier for white blood cells to destroy.

Hope that helps!!

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What would happen to the number of organisms at each level of the pyramid starting from the base?
zubka84 [21]
From the bottom trophic level to the top trophic level, the number of organisms decreases. Because there are fewer organisms present in each trophic level, there is typically a smaller amount of biomass in each level as well. Each trophic level in a food chain or food web can be represented in the ecological pyramid.
5 0
3 years ago
Why is a NATURAL RESOURCE called a natural resource?
Diano4ka-milaya [45]

Answer:because it comes from the earth. without any changes. all natural

Explanation:

3 0
3 years ago
Read 2 more answers
What gasses does a greenhouse have?
alekssr [168]
Hey there!

Here is your answer:

<u><em>The proper answer to this question is "water vapor, carbon dioxide, methane, nitrous oxide</em></u><span><u><em>, and ozone".</em></u>

Reason:

<u><em>When the sun shoots the harmful heat rays (radiant energy)onto Earths atmosphere its get sucked from the ozone layer transforming the radiant energy into greenhouse gases! (making five types)</em></u>

<em>Therefore the answers are water vapor, carbon dioxide, methane, nitrous oxide</em><span><em>, and ozone.</em>

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit</span>

</span>
4 0
3 years ago
During a health fair, the nurse takes an adult's blood pressure, and it is 200/120 mm hg. the nurse should base the next nursing
Mama L [17]

Ans.

The blood pressure is defined as the pressure applied by blood cells to the wall of blood capillaries. The normal blood pressure ranges between 120/80 to 140/90, in which upper range shows systolic pressure and lower range shows diastolic pressure.


According to given data, the blood pressure of adult is 200/120, which shows an increase in blood pressure. This condition is known as hypertension. Thus, the nurse should perform next nursing intervention by keeping in mind that the patient is having hypertension and there is a need to control his blood pressure as hypertension can lead to various adverse effects on organs and systems of the body.

7 0
3 years ago
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the diagram shows the process in which pre-mRNA is changed into mrna; select and place the two appropriate labels for the diagra
Orlov [11]

Answer:

it has to be. either remaining exon are spliced together, intron are removed, or remaining intron are spliced together.

Explanation:

i got introns and extrinsic are spliced and exons are removed and got them wrong

5 0
3 years ago
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