BI 234 EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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Course
BI 234
Institution
BI 234
BI 234 EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
Which of the following is found at the 5' end of a DNA strand?
a phosphate group
The bacteria chromosome is
both circular & found in a nucleoid
Which of the following types of plasmids allows a bacterial cell to ki...
Which of the following is found at the 5' end of a DNA strand?
a phosphate group
The bacteria chromosome is
both circular & found in a nucleoid
Which of the following types of plasmids allows a bacterial cell to kill its competitors?
bacteriocin plasmids
Which of the following is true of bacterial plasmids?
they are small circular DNA molecules that can replicate autonomously
The process indicated by the arrow in figure 7.1 represents
lagging strand synthesis
Which of the following is involved in translation?
mRNA & rRNA
Which of the following is a characteristic shared by DNA & RNA polymerases
direction of polymerization
Typical eukaryotic genomes are composed of ___ chromosomes
multiple linear
, A codon is a combination of 3 nucleotides. Therefore there are ___ possible combos of the nucleotides
A, C, G, & T
64
Which of the following is both a codon for an amino acid & a start signal?
AUG
Amino acids are delivered in their appropriate order by
tRNAs
Semiconservative DNA replication means that
each daughter DNA molecule is composed of one original strand & 1 new strand
Which of the following processes is involved in the central dogma of genetics?
transcription & translation
Prokaryotic operons typically include a _____ & a _____ with multiple genes
operator & promoter
Which of the following are considered to be a frameshift mutation?
both deletions & insertions
If the codon AAA is changed to AAG, it still codes for the same amino acid, lysine. This is an example of
a
silent mutation
Which of the following causes mutations by creating thymine dimers?
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