Which of the following is a characteristic of all living things?
A. All living things are capable of movement.
B. All living things maintain a constant internal environment.
C. All living things breathe.
D. All living things are made up of multiple cells.
Answer: B
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Alternative splicing allows for:
A. two or more different proteins to be made from a single processed mRNA. B. different polypeptides to be made from a single gene. C. increased stability of a mature mRNA. D. enhanced recognition of an mRNA by a ribosome. E. multiple genes to be used to code for a single polypeptide chain.
Conserved indels are
A. a type of transposable sequence characteristic of particular genus and useful for taxonomic analysis. B. sequences in eukaryotic mRNAs that are removed by RNA splicing. C. sequences of protein coding genes that are found altered in related species due to their tendency to accumulate small deletions. D. a type of signature sequence particularly useful for phylogenetic analysis.
Which of the following creates double-stranded breaks to initiate recombination in eukaryotes?
A. Spo11 B. RuvAB C. Rad50 D. Sgs1 E. Dmc1
If you had a friend with a peptic ulcer, would you recommend that he or she take aspirin for the pain? Why or why not?
What will be an ideal response?