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kifflom [539]
3 years ago
9

Vitamin d is involved in the regulation of body levels of

Biology
1 answer:
victus00 [196]3 years ago
5 0
Absorption of calcium.
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The diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.
Ludmilka [50]
The answer would be "plant-like protists". These protists make their energy on sunlight. This would make them a protist and a plant-like cell.
5 0
3 years ago
Read 2 more answers
4C302<br> How many molecules are there for the formula above?<br> 12<br> 2<br> 4<br> 3
padilas [110]

Answer:

they're 2

Explanation:

7 0
3 years ago
The growth of plant seedlings is usually
zhenek [66]

Answer:

The correct answer is - A. phototropic and gravitropic.

Explanation:

A plant seedling grows usually two-direction shoots or stems towards light and roots towards the soil or in the direction of gravity. The movement of the plant toward a specific stimulus or effect parts is called tropism and different parts move in a different direction.

The movement of the roots of the plant is usually towards the direction of soil or gravity and this is called gravitropic. The shoot or stem grows from the seedling towards the direction of light and it is called phototropic.

7 0
3 years ago
Where does the exchange of materials in and out of a cell take place
Oliga [24]
The cell membrane for it controls what materials should enter in and out of the cell
6 0
3 years ago
The hyperalgesia that is common in phantom limb pain could potentially be blocked if a new drug was developed that could prevent
gregori [183]

Answer: The answer is B- Diffusion of calcium ions through NMDA receptors.

Explanation:

Phantom limb pain (PLP) is a painful sensation experienced after the loss or amputation of a limb. The limb is no longer there but the individual can still feel real and severe pains in the limb. This occurs soon after surgery.

NMDA is a receptor for Glutamate which is an excitatory neurotransmitter. The activation of NMDA receptors are associated with hyperalgesia which is an abnormally heightened sensitivity to pain.

8 0
3 years ago
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