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Mkey [24]
3 years ago
9

Which phrase best describes what a soil horizon is?

Biology
1 answer:
katen-ka-za [31]3 years ago
7 0

Answer:

B. Each layer of a soil profile

Explanation:

I took the test and got it right

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How do the chromosomes in most cells of an organism, such as the leaf cells of a plant, compare to the chromosomes in its reprod
Lunna [17]

Answer:

Reproductive cells have half the amount of chromosomes than body cells

Explanation:

I think that you are talking about body cells when you say "most cells in an organism." If that is the case, then the reproductive cells, sperm and egg cells, have half the amount of chromosome than body cells.

For example: Human body cells have 46 chromosomes. Human reproductive cells has 23 chromosomes.

In sexual reproduction, each parent gives 1/2 of a full set of chromosomes to create the full set needed for an organism.

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2 years ago
The heads of the phospholipid are
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Answer: Hydrophilic

Explanation:

They have a negatively charged polar head

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2. Atoms containing the same number of<br> protons but different numbers of neutrons<br> are
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Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.

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Which is the best definition of a cellular membrane
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The membrane surrounding the cytoplasm of the cell
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Which statement is true about photosynthesis?
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during photosynthesis energy from the Sun is stored in chemical bonds of a glucose molecule

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