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3 years ago

What molecule contains an organism's genetic material, passed down from parents to their offspring

Biology

2 answers:

Stells [14]3 years ago

6 0

Its B. DNA because I did this a long time ago

Nonamiya [84]3 years ago

6 0

Answer:

B. DNA

Explanation:

Lipids are molecules made of fatty acids. They store energy in your body to use later.

DNA is the a molecule that contains hereditary information which is passed down from parent to child.

RNA sends signals to DNA and ribosomes in order to make proteins.

Proteins do many things in your body such as producing hormones, providing structure, etc. In general, they regulate a lot tissues.

Hope this helped. :)

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Describe how mutation and genetic recombination increase genetic variation

Gekata [30.6K]

Answer:

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Explanation:

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3 years ago

Which is NOT a function of lipids?

grandymaker [24]

Lipids don't store genetic informations so the answer is 2

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2 years ago

In the female, the development of the "egg" halts during TWO stages, _________ and __________

earnstyle [38]

Answer: The blanks can be correctly filled up with prophase I and metaphase II.

Explanation:

In females, finite number of oocytes are present since birth. The process of oogenesis initiate in embryonic stage only. However, oogonia divide and mature to form primary oocytes. These primary oocytes start meiotic division but arrest in prophase I stage before birth.

After a girl attains puberty, one primary oocyte resumes its division each month during a menstrual cycle. The primary oocyte divides to form secondary oocyte and polar body.

Polar bodies degenerate after completing meiosis II. However, secondary oocyte halts its division again at metaphase II until fertilization takes place. Once fertilization takes place it completes its meiosis II and results into mature ovum and polar body.

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