A mutation in the RecC subunit of the RecBCD complex would likely have what effect?
A. The enzyme would be unable to recognize chi sites, unwinding and degrading both strands.
B. The 3'-ending strand would be degraded faster than the 5'-ending strand.
C. The enzyme would not be able to bind RecA.
D. The enzyme would be unable to carry out its major function, which is fork regression.
E. The enzyme would be able to perform strand invasion without RecA.
A
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Where within a eukaryotic cell is ribosomal RNA (rRNA) synthesized?
A) cytoplasm B) lysosome C) mitochondrion D) nucleolus
In your fly laboratory, you find a larva that is missing segments Lb, T1, T2, and T3. This larva probably has a mutation in a ___________ gene.
A. pair-rule B. gap C. maternal effect D. segment-polarity E. gap or segment-polarity
Recent research has suggested that some pseudogenes and non-protein-coding DNA code for RNAs that affect transcription of coding regions. This suggests that
A. non-protein-coding DNA has no function. B. non-protein-coding DNA may regulate gene expression. C. pseudogenes code for proteins. D. pseudogenes have no function.