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Minchanka [31]
3 years ago
11

At what stage of erythropoiesis is the developing red blood cell released into the circulation

Biology
1 answer:
Lisa [10]3 years ago
3 0
Erythropoiesis is the formation of the red blood cells a process which takes place in the bone marrow. All blood cells are formed in the bone marrow, a soft, highly cellular tissue that fills the internal cavities of the long bones. It takes place in 8 stages where the first seven steps takes place within the bone marrow and after the 7th step the red blood cell is released into the blood stream as reticulocyte which then matures to erythrocyte after 1-2 days.
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Explain what the greenhouse effect is and give an example of something it is similar to?
TiliK225 [7]

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4 0
3 years ago
The antigen-binding sites of an antibody molecule are formed from the molecule's variable regions. why are these regions describ
tino4ka555 [31]

The antigen-binding sites of an antibody molecule are formed from the molecule's variable regions which are described as so because their amino acid sequences can be different on different antibodies.

The specificity of antibodies is determined by the variable regions found at their endpoints. Antibodies are specialized proteins secreted by B-cells of the immune system. They are also called immunoglobulins. They contain four polypeptide chains that comprise two heavy chains and two light chains to form a Y-shaped molecule.

The variable regions, more specifically the hypervariable regions of an antibody, have a high ratio of different amino acids with the most common amino acids provided in one place. The variable region serves as the antigen-binding site while the constant region found below the variable region is determined to invade the antigen.

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To know more about variable regions of antibodies, refer to the following link:

brainly.com/question/17439586
#SPJ4

8 0
2 years ago
Please hurry
Ede4ka [16]

Answer: strong roots

Explanation:

Plants situated in fast-flowing area of a stream (aquatic environment) require certain body features to help them adapt to the fast blowing tides or waves of water, these include:

- a long slender stem

- strong roots for attachment and to withstand being uprooted by fast blowing tides

- waxy leaves and stem with intracellular air spaces to maintain buoyancy and float above the water

7 0
3 years ago
Read 2 more answers
Which includes the physical characteristics of an organism
MariettaO [177]
<span>The question is asking "which includes the physical characteristics of an organism Gene" and the answer is the phenotype. An organism's phenotype is basically its outward appearance and its phisical characteristics. In contrast, the other options, gene, allele and genotype, refer to the genetic make up of an organism - its genotype</span>
8 0
3 years ago
Read 2 more answers
g Which on the list below is allowed in a Biohazardous waste ility of your PI or LSC to provide you with agent specific training
Sladkaya [172]

Answer:

True

False

Bio safety level 1

Custodial staff or EHS

True

All of above

True

Explanation:

Micro organisms are little organisms which are not seen by naked eyes. They can harm human and cause diseases in humans. The statement is true.

7 0
3 years ago
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