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Setler [38]
4 years ago
6

Your lab partner slipped on his way to class and scraped his arm on the concrete. You make a smear of the fluid from his scrape

and observe large nucleated cells. These cells are most likely __________.
Biology
1 answer:
Anton [14]4 years ago
4 0

Answer:

Neutrophils

Explanation:

In the given question, after the arm of the person got scrapped by the concrete which injured the skin of the person.

For the body, the scrapping of the body could have allowed the microorganism to invade and the immune system could have been activated. The immune cells which continuously flows in the lymph and blood are the white blood cells which are or five types.

When the smear of the blood is observed then the cells with large nucleus were observed which are the neutrophils, the most abundant white blood cells in the body.

Thus, Neutrophils is correct.

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Lignin and cellulose provide rigidity to the cell walls of plants. But in most fungi, chitin performs this role. Why is it logic
WARRIOR [948]

Answer:

Fungi most fungi produce cellulases.

Explanation:

Fungi are eukaryotic microorganisms, however unlike other eukaryotes. Their cell wall is made up of chitin instead of cellulose.

Chitin is a fibrous polysaccharide found in the exoskeleton of arthropods and the cell wall of fungi.  where as cellulose is also a polysaccharide which is an important structural component of plant cell wall.

Since fungi are saprophytic they produce enzymes such as cellulases that will help in breakdown of cellulose for food.

They cannot have a cell wall made of cellulose.

6 0
3 years ago
If there is 13% guanine in a DNA molecule how much cytosine and thymine would there be ?
Alenkinab [10]

Answer:

13% cytosine

37% thymine

Explanation:

There are two types of nucleotides based on their structures - purines and pyrimidines.

The purines are adenine and guanine. The pyrimidines are thymine and cytosine.

Chargaff's rule states that the ratio of purines to pyrimidines in a molecule of DNA is 1:1

Therefore, the total number of A+G is the same at the total number of C+T.

All 4 bases together must equal 100% of the DNA molecule

If there is 13% guanine, and guanine always pairs with cytosine, there is also 13% cytosine.Together, that is 26% of the total sample.

100-26 = 74% of the total of adenine and thymine.

Since there are equal amounts of A and T, we know that the DNA sample is 74/2 = 37% thymine

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What kind of membrane protein is found entirely outside the bilayer on either the extracellular or cytoplasmic surface? these pr
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They are peripheral proteins
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Actually there are many reasons for it ...but I cannot type that much.sorry.

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