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AnnyKZ [126]
3 years ago
5

T cells react mainly to antigens that are dissolved in plasma

Biology
2 answers:
Volgvan3 years ago
5 0

Answer: Yes

true i believe so

jonny [76]3 years ago
5 0
I believe it’s true
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Examples of monosaccharides disaccharides and polysaccharides.
RUDIKE [14]

Answer:

Glucose, galactose, and fructose are common monosaccharides, whereas common disaccharides include lactose, maltose, and sucrose. Starch and glycogen, examples of polysaccharides, are the storage forms of glucose in plants and animals, respectively. The long polysaccharide chains may be branched or unbranched.

Explanation:

3 0
3 years ago
Please help lolololol
SVEN [57.7K]

Answer:

a

Explanation:

7 0
3 years ago
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Species A has a diploid number of 42 chromosomes, while species B has a diploid number of 48 chromosomes. Give the chromosome nu
Arada [10]

Answer:

a. autotriploid of species A: 63 chromosomes

b. autotetraploid of species B: 96 chromosomes

c. allotriploid from species A and B: 1) 66 chromosomes and 2) 69 chromosomes

Explanation:

<u>For a.</u>

this species will have 3 haploid sets of chromosomes ('tri' means 3)

one haploid set = 21

21 × 3 = 63 chromosomes

<u>For b.</u>

this species will have 4 haploid sets of chromosomes ('tetra' means 4)

one haploid set = 24

24 × 4 = 96 chromosomes

<u>For c.</u>

there are two ways to do this:

1) two sets of chromosomes from species A and one from species B

42 + 24 = 66 chromosomes

2) one set of chromosomes from species A and two from species B

21 + 48 = 69 chromosomes

Hope that answers the question, have a great day!

5 0
3 years ago
When the DNA molecule folds, coils and super coils to fit in the cell what structure does it form?
Alexeev081 [22]

Answer:

<h2>A. Chromosome</h2>

Explanation:

In intermediate phase of cell cycle, DNA replication occurs (in S-phase), so in inter phase, DNA become unfolded and in relaxed state and is available for replicating machinery.

When cell enter into prophase, DNA folds, coils and super coils and finally become in condensed form, which can be seen by microscope.

So this compact form of DNA is called as chromosome.

In humans. there are total 46 chromosomes.

5 0
3 years ago
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Why do you think are the reasons why only few seeds germinate​
Svetlanka [38]
The first reason is that Thats because the seeds will remain dormant until they have the resources they need for eg: some seeds are frozen in winter so that they wont germinate until they have enough resources in spring .
3 0
3 years ago
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