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xenn [34]
3 years ago
12

The suprachiasmatic nucleus influences the release of melatonin by its effect on the ________________.

Biology
1 answer:
anyanavicka [17]3 years ago
5 0

Answer:

Pineal gland

Explanation:

The suprachiasmatic nucleus is the paired nucleus made of about 1000 neurons each in the hypothalamus. The suprachiasmatic nucleus is involved in maintaining the endogenous clock or the internal clock.

The suprachiasmatic nucleus controls the circadian rhythm by controlling the amount of melatonin. The melatonin is produced by the pineal gland from the serotonin and tryptophan precursors.  The hypothalamus thus controls the amount of the melatonin by regulating the pineal gland.

Thus, Pineal gland is the correct answer.

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Interactions between organisms and their environment impact the organism’s overall population. The jaguar Panthera onca is the l
Anit [1.1K]

Answer:

Predator-prey relation.

Explanation:

A predator is defined as an organism that hunts another individual, whereas a prey refers to the organism that is eaten by the predator. They tend to co-evolve (evolve together). <u>The prey is essential for the predator to survive, while the predator controls the prey populations by hunting some of the individuals.</u>

Predator-prey relations are interactions that occur between two species where one species (prey) represents a food source for the other species (predator).

The turtle (prey) is essential for the survival of the jaguar (<em>Panthera onca)</em>, while the jaguar controls the populations of turtles by preying upon them. Therefore, this is a predator-prey relation.

5 0
3 years ago
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Fill in the blanks. The cytochrome b6f is a large multisubunit protein, which accepts electrons from the __________________ . On
densk [106]

Answer:

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.

Explanation:

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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3 years ago
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PLEASE HELP ASAP!!
castortr0y [4]

A is the correct answer!

- water can moderate temperature v. well that's why it's used as a cooling agent

- water expands upon freezing (that's why ice floats on water!)

3 0
3 years ago
3.How have scientists' ideas of human evolution changed over time<br><br> Please Hurry
Alex

Answer:

They once thought that humans came from monkeys and apes but  now they think they come from a ancient ancestor not from the monkey or ape family.

Explanation:

5 0
3 years ago
Why can’t your body heal an amputation the same way it can heal a cut?
Pani-rosa [81]

Answer:

because the mother sells are less for that kind of cuts so they don't regenerate and in a cut its easier because they are just in number for that cut

Explanation:

8 0
3 years ago
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