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Nookie1986 [14]
3 years ago
7

Which of the following is an example of active transport?

Biology
1 answer:
Nataly [62]3 years ago
7 0
The answer is D
Because it is kinda basic
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Explain how isolation causes the making of new species?
choli [55]

Answer:

Explanation:

When organisms become isolated the two groups are also not able to reproduce together, so in one group are not necessarily found in the other group. The longer the groups are isolated, the more different they are. They eventually become different species.

8 0
2 years ago
The hypothalamus regulates the ________.
Tresset [83]

Answer:

c. pituitary gland

Explanation:

The hypo(below) thalamus is an almond size structure located superiorly to the brainstem. it is located below the thalamus. Hence the name hypothalamus.

It is primary function is is to control the body homeostatic functions of sleeping and waking up, sex, thirst and hunger etc.

It performs these roles by serving as the primary link of the nervous system with the endocrine system. Pituitary gland is an example of  endocrine gland that secrets many hormones. (they are called endocrine because the hormones are secreted directly into the blood streams.

<u>Its activities are controlled by the nervous stimulation from hypothalamus. Therefore the instructions to secretes certain hormones to the post and anterior part of the pituitary gland depends on the hypothalamus.</u>

Growth hormones, oestrogen, and thyroid are examples of hormones of the pituitary glands.

7 0
3 years ago
If the marginal propensity to save is 0.25, a $15 billion increase in government spending will lead to an increase in national i
Greeley [361]

Based on the marginal propensity to save, MPS , the national income will increase by a maximum of $20 billion.

<h3>What is marginal propensity to save?</h3>

Marginal propensity to save (MPS) is a measure of how savings will change, given a change in income.

Marginal propensity to save is related to marginal propensity to consume, MPC by the formula:

  • MPS + MPC = 1

Grom the given value of MPS,

MPC = 1 - 0.25

Therefore, MPC = 0.75

Also, the formula for calculating marginal propensity to consume is given as:

  • Marginal propensity, MPC = ΔC/ΔY

Where:

  • ΔC is a change in consumption
  • ΔY is a change in income

ΔY = ΔC/MPC

ΔY = $15 billion/0.75

ΔY = $20 billion

Therefore, the national income will increase by a maximum of $20 billion.

Learn more about marginal propensity to save at: brainly.com/question/18521055

4 0
2 years ago
I need a paragraph explaining what dna and rna is <br><br><br><br> plssshelp fast
nikitadnepr [17]

Answer:

DNA is the 33 chromosomes. RNA is the protein that exists in viruses... that's All what I know.

7 0
2 years ago
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SOMEONE PLZ HELP!!!!!!!!!
mezya [45]

Answer:

Organelle :)

Explanation:

5 0
3 years ago
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