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mafiozo [28]
3 years ago
14

Some maerials can move across the cell membrane against a concentration gradient by

Biology
1 answer:
KATRIN_1 [288]3 years ago
7 0
Facilitated diffusion goes against a concentration gradient
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The nitrogen base pairs in the DNA molecule are adenine and or cytosine and .
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The nitrogenous bases Adenine form two hydrogen bonds with thymine and the cytosine form three hydrogen bonds with the guanine. Simply, A combines with T and G combines with the C. It is often called as a complementary base pairing because of each base pair bonds only with its specific complementary base partner in a DNA molecule.

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A hormone involved in the removal of excess glucose from the blood is:
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glucagon

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Glucagon is a hormone that is involved in controlling blood sugar (glucose) levels. It is produced by the alpha cells, found in the islets of Langerhans, in the pancreas, from where it is released into the bloodstream.

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Fill in the blanks. The cytochrome b6f is a large multisubunit protein, which accepts electrons from the __________________ . On
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The cytochrome b6f is a large multi-subunit protein, which accepts electrons from the plastohydroquinone.

One electron moves linearly toward plastocyanin while the other goes through a cyclic process, which effectively pumps more protons into the thylakoid lumen.

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The cytochrome b6f is distributed among both grana and stroma thylakoids equally. They are usually large and embedded in the membrane.

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Which animal adaptation happened before the others?
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D?

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