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polet [3.4K]
3 years ago
11

Hi, can someone help me with this question? Thank you!

Biology
1 answer:
Elenna [48]3 years ago
6 0

Answer:

Can someone help me please Explanation:

Is this test the I going to have trace the path a red blood cell would follow starting in the right ventricle and back to the right ventricle included will be every structure ( heart chamber, valve, vessels ) that the red blood cell would pass trough???

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Antigen processing and presentation antigen processing and presentation is a way for a cell to give information about its activi
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Is a way for a cell to give information about its activities.
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Which of the following is widely regarded as the most significant, insightful, and powerful type of information that science gen
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Roan coat color in cattle develops through incomplete dominance of the gene for red color and its allele for white. what crossin
slava [35]
<span>Roan is a combination of white hairs with red hairs. When we see cattle like this, they look pink because it resulted from a mix of white and red.

Red allele: A
White allele: a
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<span>A heterozygotic animal has this genotype: Aa
Like i said previously this is the mixture of colors so the animal would be pink.

A red coat color has this genotype: AA
A white coat color has this genotype: aa

To get all the herd to be</span><span> roan-colored cattle the combination of parents should be: AA x aa. -> 100% roan
Another possible way to obtain would be</span><span>roan-colored cattle: Aa x Aa or aa x Aa (in this case there would be less probabable to obtain road).</span>
8 0
3 years ago
Cytochalasins bind actin and block actin microfilament assembly. Cells treated with cytochalasins will not divide. How do cytoch
7nadin3 [17]

Answer:

The correct answer will be option-A

Explanation:

Cytochalasin is the metabolic product released from the fungus. The cytochalasin acts a toxin to the cell as it inhibits the division of the cell.

Cytochalasin act by inhibiting the cytoplasmic separation during cell division as it blocks the formation of contractile microfilaments. The presence of cytochalasin inhibits the elongation of acing filament as it blocks the addition of the monomer to the growing end of the filament.

Since it prevents the formation of the contractile rings and cytoplasmic separation, therefore, option-A is the correct answer.

4 0
3 years ago
Which of these materials cannot cross the placenta from mother to fetus?
lesya692 [45]

Answer:

alcohol is the answer i think

7 0
3 years ago
Read 2 more answers
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