5. Which facet of DNA structure most directly facilitates its capacity for infor

Question

5. Which facet of DNA structure most directly facilitates its capacity for information storage? A. double-stranded with complementary bases B. variations in the base sequence C. right-handed helix 4. antiparallel

6.Which facet of DNA structure most directly facilitates its capacity for replication? A. double-stranded with complementary bases B. variations in the base sequence C. right-handed helix D. antiparallel In a molecule of double-stranded DNA, the percentage of guanine is 30%.

7.What is the percentage of Thymine? A. 20% B. 30% C. 40% D. 60%

Explanation / Answer

5 - The correct answer is option B that is variation in the base sequence because it is the varioation in the base sequence that leads to the different gene sequences and information storage.

RNA virus also have genes and they are not double stranded, so A is wrong.

Left handed helix also can store the information, so C is also wrong.

Anti parallel is not the feature that is important for the information storage.

6) The correct answer is option D that is anti parallel in a molecule of double stranded DNA .

7) The correct answer is option A that is 20% because if guanine is 30% then, cytosine will also be 30% as it pairs with guanine. 40% are remaining and from that 20% will be adenine and 20% will be thymine.

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