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Maru [420]
3 years ago
10

Duck-billed platypus is called a bridge animal, why?​

Biology
1 answer:
xxMikexx [17]3 years ago
4 0

Answer:

The platypus serves as a 'bridge' animal between nonmammals like birds and reptiles, which maintain their testicles in their body cavity, and placental and marsupial mammals, which hold their testes in an external scrotum."

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Which of the following is correct about turnover number (kcat) and the specificity constant for an enzyme?
Mademuasel [1]

Answer:

B

Explanation:

Specificity constant-The ratio of Kcat/Km is called as specificity constant.

 Kcat-Turn over number

 Km-Michaelis constant

Specifictiy constant is the measure of enzyme efficiency .

4 0
3 years ago
How do guard cells maintain homeostasis?
Mice21 [21]

Answer:

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4 0
3 years ago
Select the correct answer.
Lena [83]
The correct answer is D, white blood cells.
We know that red blood cells deliver nutrients and are not apart of the immune system; platelets are responsible for coagulation, which has nothing to do with the immune system, and plasma is a substance that, again, has nothing to do with immunity. White blood cells are the only things that fight disease (antibodies are white blood cells)!

I hope I helped!

(By nothing I meant very little to none).
7 0
3 years ago
Read 2 more answers
A change in body temperature will have which of the following effects on enzymes in the body?
Dmitrij [34]

Answer:

The answer is B :)

Explanation:

3 0
3 years ago
When checking a child for non-life-threatening emergencies, which action would be appropriate?
bezimeni [28]
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4 0
3 years ago
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