10. A mutation that changes a cysteine codon to a tryptophan codon is called a (A) missense mutation. (B) nonsense mutation. (C) frameshift mutation. (D) silent mutation. (E) Indel delction.

1. All are correct about enhancer sequences in eukaryotic cells except: (A) they can oce cur cither upstream or downstream of the gene. (B) they can be in either oricntation (bi-directional). (C) enhancer function is dependent on recognition by a specific transcription factor. (D) specific tran inscription factor binding at an enhancer stimulates transcription by interacting with RNA polymerase II. (E) All are correct.

10. A mutation that changes a cysteine codon to a tryptophan codon is called a
(A) missense mutation.
(B) nonsense mutation.
(C) frameshift mutation.
(D) silent mutation.
(E) Indel delction.

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