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victus00 [196]
2 years ago
10

Which statement best explains how mutations change the shape of flu virus antigens, preventing the attachment of antibodies?

Biology
1 answer:
Setler79 [48]2 years ago
4 0

Answer:

A. Mutations change the nucleotide sequence of the gene, resulting in a different arrangement of amino acids.

Explanation:

Mutations alter the sequence of nucleotides in a molecule of DNA. DNA is used to create mRNA, which is used to create a chain of amino acids that make a protein. If the mutation changes the sequence of DNA, then the sequence of amino acids and the final protein will be different.

This can affect its structure and function. If the protein is a cell surface protein, and its structure is significantly altered, antibodies may no longer recognise and bind to the protein.  

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Which of the following is not an example of an abiotic factor?
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vampirchik [111]

Answer:

Carbohydrates - monosaccharides

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Explanation:

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