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Whitepunk [10]
3 years ago
11

What keeps the Sun from expanding any further? A. Solar wind B. Hydrogen C. Gravity D. Visible light

Biology
1 answer:
lubasha [3.4K]3 years ago
6 0

Answer: The answer is B. Hydrogen.

Explanation:

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Fern is a plant with fronds that are attached to rhizomes. The frond is the leaf of the fern and the rhizome is the root which grows. They have vascular tissue which means that they use tubular structures to transport nutrients throughout the plant. They reproduce by spores and have neither seeds nor flowers.

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4. There are a variety of receptors and second messenger systems in cells that in many cases exhibit cross-talk with each other
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These 3 receptors are different from each other. They do differ from each other by their location and function.

1. Testosterone receptor :  It is an Androgenic receptor

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Explanation:

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Location- Xq 11-12 in the X chromosome.

Function-  

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Location- chromosome 3q21

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  2. maintains the cellular iron equilibrium.
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3. Fibroblast (growth) :

Location- chromosome 4p16.3

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1. Where is the CFTR protein found?
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CFTR protein is found in the cells lining the lungs

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Plants need both sulfur and phosphorus in order to grow and reproduce. How do plants obtain sulfur and phosphorus? A) Plants tak
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Sulphate is termed as ion which is a polyatomic anion which are salts made of sulphuric acid

Both phosphorus and sulfur are natural occurring elements and they are needed for reproduction and growth by plants.

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High Pitch Sounds

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