2. Phosphate groups on the backbone of DNA are negatively charged at neutral pH. This suggests...

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2. Phosphate groups on the backbone of DNA are negatively charged at neutral pH. This suggests that DNA-binding proteins are

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Answer 1

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2) correct choice is D

Here given are single amino acid codes.

K stands for lysine and its positively charged.

3) Correct choice is C

0 < Keq < 1

When free energy G value is more than zero Keq will be less than one.

When G is less than zero Keq will be more than one.

When G is zero Keq will be one.

G value is proportional to negative log Keq.

Keq will never be less than zero.

4) Correct choice is D

Single letter code Q stands for GLUTAMINE

glutamine is only neutral polar aminoacid in given choice.

Others are glycine, isoleucine, methionine, valine.

They are neutral non polar aminoacids.

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