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Nimfa-mama [501]
3 years ago
12

Which of the following questions could be investigated through scientific research?

Biology
1 answer:
blagie [28]3 years ago
3 0
The question that could be investigated through scientific research is B. Does a newly synthesized chemical reduce bacteria? The answer is B. Because the other questions aren’t science questions. They are bias.
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Part A: If one follows 70 primary oocytes in an animal through their various stages of oogenesis, how many secondary oocytes wou
olga nikolaevna [1]

Answer:

<u>Part A</u> : 70 secondary oocytes will be formed.

<u>Part B</u> : 70 first polar bodies will be formed.

<u>Part C</u> : 70 ootids will be formed.

Explanation:

During oogenesis growth maturation of a single oogonium produces one primary oogonium.

the primary oogonium then undergoes meiosis -1 and produces  one secondary oocyte and first polar body.

The secondary oocyte then undergoes meiosis - 2 and forms an ootid and second polar body.

The ootid then differentiates into the ovum.

As in the above scenario , 70 primary oocytes are present , they undergo meiosis-1 and produces 70 secondary oocytes and 70 first polar bodies. Hence answers of part A and B is 70.

As 70 secondary oocytes are formed , they undergo meiosis -2 and forms 70 ootids which then differentiate in 70 ovums.

8 0
3 years ago
What food did they eat at the first thanksgiving?
lesya [120]
Wild animal meat (small game animals), various vegetables, (corn, squash, etc.)
3 0
3 years ago
Four stage in which abortion cannot be done.
VikaD [51]

Answer:

Fourth trimester.

Explanation:

Fourth trimester is the fourth stage in which abortion can not be done because the baby is big enough in size and comes out from the womb. The abortion in this stage can put the life of the mother in danger so that's why abortion is not allowed. Newborn babies are learning to adjust itself to life outside the womb where it was warm so we can say that  fourth trimester is the stage in which abortion is risky and dangerous.

7 0
2 years ago
What parts of the nervous system make up the central nervous system?
Elenna [48]

Answer:

The nervous system has two main parts:

The central nervous system is made up of the brain and spinal cord.

The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

hope it helps :)

6 0
2 years ago
Which sentence should be added to the introductory paragraph at the point
Semmy [17]
What happens when a dentist and candy maker meet. Would fit
5 0
2 years ago
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