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EastWind [94]
3 years ago
6

Why does blood obtained through vein and not from the arteries when collecting blood

Biology
1 answer:
jekas [21]3 years ago
3 0

It's mainly because your arteries pump a lot of blood so a few things could happen, you could tear the artery or the needle could pop out, they're usually harder to get to, and it's just very dangerous.

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Which is least likely to push a species towards extinction?
lyudmila [28]

Answer:

Species that are broadly distributed are less likely to go extinct than those that occupy a small area or whose habitat is disjointed.

3 0
3 years ago
The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of
ioda

Answer:

Facilitated Diffusion

Explanation:

Some molecules can move down their concentration gradients by crossing to the lipid portion of the membrane directly,while others must pass through membrane protein s in a process called Facilitated Diffusion

4 0
3 years ago
Because cell walls consist of a cross-linked network of long filaments embedded in a stiff surrounding material, they can be cal
Contact [7]

According to the research, the correct answer is fiber composites. Because cell walls consist of a cross-linked network of long filaments embedded in a stiff surrounding material, they can be called fiber composites.

<h3>What are cell walls?</h3>

It is a network that covers prokaryotic cells and plant cells that is located outside the plasma membrane, helping to form the structure.

In this sense, since it is made up of a network of carbohydrates, phospholipids and structural proteins, and the different cell types of plants can be identified by their characteristics, they can be called fiber composites.

Therefore, we can conclude that cell walls are a network embedded in a matrix composed of carbohydrates and proteins.

Learn more about cell walls here: brainly.com/question/965751

#SPJ1

8 0
1 year ago
How similar are human and horse hemoglobin?
bulgar [2K]

Answer:

The hemoglobin of horse has 60% lower than the human's hemoglobin

5 0
3 years ago
The dominant allele is for black fur. The recessive allele is for white fur.
Leokris [45]

Answer:

FF , Black fur.

ff, white fur.

Explanation:

Genotype may be defined as the genetic constitution of the organism whereas phenotype depends on the genotype for the physical expression of the trait.

Let the genotype of the dominant fur (black ) be D and the genotype of white fur (recessive)  is f. homozygous means the individual should have the same allele for the trait. A mouse with homozygous dominant has genotype FF . This mouse has black fur. A mouse homozygous for the recessive trait has the genotype f. This mouse has white fur.

Thus, the answer is FF , Black fur.

ff, white fur.

6 0
4 years ago
Read 2 more answers
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