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Finger [1]
2 years ago
7

Which statement is true about the presence or absence of plasma membranes?

Biology
1 answer:
8_murik_8 [283]2 years ago
8 0

Answer:

All cells have a plasma membrane.

Explanation:

hope this helps :)

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Because they alter the reading frame of all base-pair triplets, base-pair additions and deletions are collectively referred to a
Rom4ik [11]

Answer:

The correct answer is option c. "frameshift mutations".

Explanation:

The reading frame of a gene is based on base-pair triplets, starting from the start codon until the ribosome encounters with the end codon. Base-pair additions and deletions are collectively referred to as frameshift mutations because they alter the reading frame of the gene. Base-pair additions and deletions break down the original sequence of the gene triplets, which alters the open reading frame and usually results in the production of non active proteins.

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2 years ago
1) Cuál es la diferencia que existe entre sustitución, Inserción y deleción en las mutaciones
marysya [2.9K]

Answer:

See the answer below please.

Explanation:

There are different types of mutations:

- Substitutions: the exchange of one base for another occurs (eg changes a C for an A), which could lead to a codon change that codes for a different amino acid causing changes in nascent protein, generating a codon that codes for the same amino acid without any change in nascent protein; generate a different codon for the amino acid: a stop codon and cause an incomplete protein to form.

-Insertions: base pairs are added to the DNA sequence.

-Deletions: base pairs are removed from the DNA sequence.

7 0
3 years ago
What is the answer ??
horrorfan [7]

Answer:

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A food that is labeled as being "fat free" is best described as containing:
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