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Licemer1 [7]
3 years ago
13

Help me pretty please

Biology
1 answer:
Lyrx [107]3 years ago
4 0

Answer:

oxygen

Explanation:

its the only element needed

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Explain why a lock and key are used to describe the way in which an enzyme works. Describe any ways in which the
LiRa [457]
The lock an key analogy is used because each enzyme has specific substrates that fit into it. This is like how locks only work with a specific key. The enzyme is the lock and the substrates are the key.
2
This analogy is not perfect because there are often multiple substrates for each enzyme reaction. It only takes one key to turn the lock. The reaction is also taking place between the substrates themselves and not the enzyme. In the lock and key analogy, the lock is affected by the key, but in an enzyme reaction, the substrates are affected by the enzyme.
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What is one function of the smooth endoplasmic reticulum
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where in a stem cell of an embryo is the instructions for how to build organs?  a. ribosomes  b. endoplasmic reticulum  c. Go
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. In the nucleus.

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List the names of the two motor neurons of the autonomic nervous system
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What component of amino acid structure varies among different amino acids?
NISA [10]
<h2>Answer </h2>

The components of the r group of amino acid structure varies among different amino acids

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