18 Biotechnology Demystified 7. Hydrogen bonds: (a) are ionic bonds. (b) are cov

Question

18 Biotechnology Demystified 7. Hydrogen bonds: (a) are ionic bonds. (b) are covalent bonds. (c) are the bonds between the bases in DNA (d) are important in explaining the behavior of water. (e) c and d are correct. (f) b and c are correct. 8. DNA: (a) typically consists of two strands. (b) strands are made of a backbone of organic bases. (c) phosphorylated sugars form the steps of the "staircase." (d) base pairs associate randomly through hydrogen bonds. (e) all are correct. 9. Polymers: (a) consist of linkage of small units known as monomers. (b) are the usual form of biomolecules. (c) may contain units of the same or different monomers. (d) the loss of one monomer may change the function of the polymer (e) all are correct. 10. DNA: (a) forms a double helix. (b) always contains the same amount of adenine as guanine. (c) always contains the same amount of adenine as thymine. (e) consists of two strands that require a large amount of energy to pull apart. (f) a, b, and e are correct. (g) a and c are correct.

Explanation / Answer

7.Answer- e) c and d are correct

8.Answer- e) all are correct

9. Answer-e) all are correct

10. Answer-g) a and c correct

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