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Helga [31]
3 years ago
9

Under what condition is blood most likely to flow backward, from the left ventricle back into the left atrium?

Biology
1 answer:
muminat3 years ago
5 0
An insufficient mitral valve
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A callus is a hardening of skin, which protein is very abundant here?
Pie

Answer:

A callus is a hardening of skin, keratin is the protein which is abundant in callus. Skin is a protective layer against a external environment. Outer layer of skin consist of keratin which is also found in hair. Callus is the accumulation of dead cells result due to friction and pressure exerts on the part in which they are present. The keratin component (keratinocytes) remains undifferentiated in these dead cells which causes hardening in callus.

6 0
3 years ago
How does prokaryotic cell division differ from eukaryotic cell division?
dedylja [7]
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3 years ago
If you cross a mule and a horse, you get a donkey. How many chromosomes does a donkey have?
madreJ [45]

Answer:

62

Explanation:

31 pairs

A mule is the offspring of a male donkey (a jack) and a female horse (a mare). A horse has 64 chromosomes, and a donkey has 62. The mule ends up with 63. Mules can be either male or female, but, because of the odd number of chromosomes, they can't reproduce.

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4 years ago
The medical term meaning state of complete knowledge (identifying a disease) is:
miv72 [106K]
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I believe anaphase II.
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