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uysha [10]
3 years ago
8

Cell walls contain peptidoglycan. a. Archaea b. Bacteria c. Both Archaea and Bacteria

Biology
1 answer:
Gnom [1K]3 years ago
5 0

Answer:

Option B

Explanation:

Peptidoglycan is a polymer that made of amino acids and sugar. This forms a layer of mesh like structure which is found on the outer side of the plasma membrane.

This is found in most of the bacteria which forms the cell wall. The sugar component  that contains the alternating residues of N-acetylglucosamine and N-acetyl muramic acid.

Thus, the correct answer is option B

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Answer:

The correct option is<em> b.  at each step, energy is lost from the system</em>

Explanation:

The amount of energy that travels from one trophic level to another is known to declines at each level. Infact, only 10% of the energy travels from one trophic level to another.

This is because most of the energy is lost by the organisms at each trophic level. It is due to the metabolic processes which occur in the organisms of each trophic level  and most of the energy is lost as heat.

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4 years ago
You have been identifying the sequence of a segment of a protein. The sequence to date is: leucine-methionine-tyrosine-alanine-g
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3 years ago
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8_murik_8 [283]

Answer:

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3 years ago
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aalyn [17]
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3 years ago
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Explanation:

3

7 0
2 years ago
Read 2 more answers
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