30.Which amino acid side chains can form hydrogen bonds via their functional groups? (A) Serine (B) Lysine (C) Phenylalanine (D) Asparagine (E) Valine

8. Which are the characteristics of genetic analysis? (A) Some of alleles can exhibit both recessive and dominant properties. (B) Dominant alleles are often the consequence of a mutation that causes some kind of gain of function. (C)Dominant mutations in certain genes are associated with a loss of function. (D)Dominant negative produces a phenotype similar to that obtained from a loss-of function mutation. (E)Recessive and dominant mutant alleles generally have opposite effects on gene function.

30.Which amino acid side chains can form hydrogen bonds via their functional groups?
(A) Serine
(B) Lysine
(C) Phenylalanine
(D) Asparagine
(E) Valine

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