DNA Replication, Genetic Code, Transcription Quiz
Transcription occurs during which phase(s) of the cell cycle? Select all that apply. a. G1 (or G0) b. S c. G2 d. M - mitosis
(???) G1 (or G0) S G2
3' -C C T A G G C T G C A A T C C- 5' An RNA primer is formed starting at the (T) of the template DNA strand above. Which of the following represents the RNA primer sequence? a. 5'-A C G U U A G G-3' b. 3'-G C C T A G G-5' c. 5'-G C C U A G G-3' d. 5'-A C G T T A G G-3' e. 5'-G C C T A G G-3'
5'-A C G U U A G G-3'
The tRNA anti-codon sequence 3'-GAA-5' would bind which codon sequence on which molecule? a. 5'-CTT-3' DNA b. 5'-GAA-3' DNA c. 5'-CUU-3' m RNA d. 5'-GAA-3' m RNA e. 3'-CUU-5' m RNA
5'-CUU-3' m RNA
What is the complementary RNA sequence to this DNA template:3'- C G T A C G -5' a. 3'-G C U T G C-5' b. 5'-G C A T G C-3' c. 3'-G C A U G C-5' d. 5'-G C A U G C-3'
5'-G C A U G C-3'
5'-TAG GCT TGA TCG-3' The nucleotide sequence listed above is ... a. An amino acid sequence b. A mRNA sequence c. A DNA sequence on the template strand d. A DNA sequence on the coding strand e. I have no idea how to figure this out.
A DNA sequence on the coding strand
Bos taurus is ... a. A dog, phylum Chordata b. A clam, phylum Mollusca c. A round worm, phylum Annelida d. A proteobacterium e. A cow, phylum Chordata
A cow, phylum Chordata
Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3' direction? a. primase b. DNA ligase c. DNA polymerase III d. helicase e. topoisomerase
DNA polymerase III
A new DNA strand elongates only at the 3' end because... a. replication must progress toward the replication fork. b. DNA polymerase can only add nucleotides to the 3' end of the new DNA strand. c. the polarity of the DNA molecule prevents addition of nucleotides at the 3' end. d. DNA polymerase can only add nucleotides to the 5' end of the template. e. RNA primers prevent elongation in the 3' to 5' direction.
DNA polymerase can only add nucleotides to the 3' end of the new DNA strand.
What is the amino acid sequence coded for by this mRNA sequence: 5'-CUU CAG AGU-3' a. Gln-leu-ser b. Leu-gln-ser c. Leu-pro-met d. Pro-leu-arg
Leu-gln-ser
During transcription, DNA is organized in what way? a. Relaxed b. Wrapped around histones c. Supercoiled d. Condensed chromosome
Relaxed
Part of the wild-type FGFR gene sequence is 5'-GGA-3'. The 1st G is mutated to C.Now which amino acid will the mRNA codon specify? a. arg b. pro c. Ala d. gly
arg
What physiological change triggered transcription of the insulin gene? a. cell division b. blood glucose concentration increased c. an insulin injection d. bacteria began breaking down sugar
blood glucose concentration increased
What is the amino acid sequence coded for by this mRNA sequence: 5'-CAG CCU GGA-3' a. gln-pro-gly b. Pro-leu-arg c. Leu-pro-met d. Gln-leu-ser
gin-pro-gly
