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defon
3 years ago
5

What makes up 78% of todays atmosphere

Biology
1 answer:
noname [10]3 years ago
3 0
Nitrogen makes up 78% of the warts atmosphere
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Explain how a scientist can determine when a particular species of dinosaur lived on Earth.
cluponka [151]

Answer:

by fossil dna

Explanation:

it is too easy for a sciencetist

8 0
2 years ago
Peptide hormones a. are able to pass through the membrane and bind to a receptor in the cytoplasm. b. bind to a receptor in the
ozzi

Answer:

The correct answer is option B. It bind to a receptor in the plasma membrane.

Explanation:

Hormones can be aminoacid based hormones (peptide or amine) or the steroid base hormones on the basis of their nature. Amino acid based proteins are molecules that are proteins,

Peptide hormones are the protein or peptide molecule that release in blood by the exocytosis in the form of preprohormones that mature later and bind to the receptor present on the surface of the plasma membrane of the target cell. The binding of the peptide hormone to the receptors a secondary messenger shows up in the cytoplasm.

Thus, the correct answer is option B. It binds to a receptor in the plasma membrane.

7 0
3 years ago
Radioactive decay occurs when atoms:
arsen [322]

Answer:

I think it's A

Explanation:

4 0
3 years ago
Which planet might best be described as a large, dirty iceball?
lara [203]

Answer: Option C) Pluto

Explanation:

Pluto is described as a dirty ice ball of frozen gases and rocky material. It was the ninth planet to be discovered.

4 0
3 years ago
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Louis Pasteur, the famous French chemist and microbiologist, noticed that when he added O2 to a culture of budding yeast that we
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organism can adaptaerobic respiration oranerobic respiration for the production of energy molicule ATP (although many of them stick to either one of them )

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