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Lunna [17]
2 years ago
15

DNA is often compared to a twisted ladder. In this analogy, what forms the

Biology
1 answer:
Oxana [17]2 years ago
5 0
A- on the sides you would find the phosphate and sugar so the center is the AT or CG
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In what phase of mitosis do the centrioles separate?
Olegator [25]

Answer:

Prophase

Explanation:

During prophase, chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. In animal cells, the centrioles near the nucleus begin to separate and move to opposite poles (sides) of the cell.

4 0
3 years ago
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The major function of the placenta is to
beks73 [17]

Answer:

(2) exchange food, oxygen, and waste between

mother and fetus

Explanation:

In most mammals like humans, the fetus produced as a result of the fertilization of the sperm and egg, develops in the uterus or womb of the female. However, this developing fetus cannot yet fend for what it requires for survival and is still dependent on the mother e.g nutrients, oxygen etc. How do this substances get to the fetus? Here comes the role of the PLACENTA.

Placenta is an organ in the uterus that serves as a connection between the mother and the fetus in her womb. The placenta enables the mother to pass digested nutrients to the fetus and exchange gases (oxygen and Carbondioxide) between them via the umbilical cord. The placenta also enables the mother remove waste produced by the fetus into her bloodstream.

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3 years ago
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mel-nik [20]

Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?

Explanation:

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3 years ago
The flat worm has no body cavities and therefore has no complex organs. A flat warm has which type of body plant?
dimaraw [331]

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cephalized

Explanation:

8 0
3 years ago
Explain what Scientific Adam is and what identifying him means for science and for religion.
Tcecarenko [31]

Answer:

The Scientific Adam refers to the most recent common ancestor of all males, given that some scientists theorize that all currently living men share the same mutations in their Y chromosome, proving that one man fathered all of humanity.

Identifying the Scientific Adam would be very important for both science and religion, as it would provide a bridge between these two often collided fields. The Scientific Adam proves the existence of the biblical Adam.

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3 years ago
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