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1 Created by Boundless How many nucleotides are in 12 mRNA codons? A 24 B 36 C 12 D 48 2 Created by Boundless A particular DNA sequence reads TCGAGGTCACCG. A mutation occurs in which the first "A" in the sequence is deleted. What will happen to the protein produced? A The first amino acid will be correct, but every amino acid after that will be wrong. B The first two amino acids will be wrong, but the third and fourth amino acids will be correct. C The first, third, and fourth amino acids will be correct, but the second amino acid will be wrong. D The first amino acid will be wrong, but the last three will be correct. 3 Created by Boundless Transcription begins in a region where the DNA helix is partially unwound. What is this region of unwinding called? A DNA plasmid B Transcription bubble C Template strand D Genetic code 4 Created by Boundless Where is a promoter located relative to the initiation site? A Downwind of the initiation site B Downstream of the initiation site C Upstream of the initiation site D Upwind of the initiation site 5 Created by Boundless Transcription termination is caused by: A 40 nucleotides. B the transcription bubble. C the rho protein or a stable hairpin. D RNA polymerase. 6 Created by Boundless Transcription elongation begins: A when a stable hairpin forms. B when translation ends. C when RNA polymerase collides with the rho protein. D when the RNA polymerase σ subunit dissociates.