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Roman55 [17]
2 years ago
5

Proteins that speed up chemical reactions without being used up or destroyed in the process are called

Biology
2 answers:
Contact [7]2 years ago
6 0

enzymes....................

ella [17]2 years ago
4 0
Enzymes are proteins that speed up chemical reactions without being used up.
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When trying to determine the evolutionary relationship between two species would?
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Mitosis results in which of the following?
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Use your understanding of the nitrogen cycle to answer the questions provided.
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The nitrogen cycle could not exist without the presence of nitrogen-fixing microorganisms.

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Although nitrogen is abundant in nature, in gaseous form, living beings cannot take advantage of it, because they lack the ability to convert this gas into organic nitrogen. Nitrogen-fixing microorganisms -such as bacteria in the soil- turn inorganic nitrogen into organic, that incorporates plants.

Nitrogen-fixing bacteria exist in both soil and plant roots. They are responsible for the conversion of atmospheric nitrogen and ammonium, the product of the degradation of organic matter, into nitrites and nitrates that assimilate the plants. Herbivorous animals obtain this nitrogen from vegetables, and carnivores from them.

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5 0
3 years ago
Which mutation occurs when one nucleotide base is replaced with another base
svetlana [45]

The correct answer is a substitution mutation.  

A mutation, which substitute’s one base for another, that is, a change in a solitary chemical letter like switching an A to a G is known as a substitution mutation. This kind of substitution can modify a codon to something, which encrypts a distinct amino acid and leads to a small modification in the generated protein.  


6 0
3 years ago
Read 2 more answers
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