Which of the following events do notoccur during spliceosome assembly on pre-mRNAs?
A. U1 snRNP binds to the 5' splice site.
B. U2 snRNP binds to the branch point.
C. U6 snRNP binds to the 3' splice site.
D. U5 snRNP binds to the 5' splice site.
C
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Flour and sugar are classified as ________ foods
A) highly perishable B) semiperishable C) nonperishable D) selectively perishable
You see a recombination frequency of 0.3%. What does this indicate?
A. That the genes are located close together on the same chromosome B. That the genes are on different chromosomes C. That the genes are assorting independently most of the time D. That the offspring has a large number of non-parental phenotypes E. That the genes are located on the same chromosome, but very far apart
Which of the following yeasts is not pathogenic to humans?
A. Cryptococcus B. Candida C. Saccharomyces and Cryptococcus D. Saccharomyces
Which chemical, produced by S. aureus, digests blood clots?
A. coagulase B. penicillinase C. staphylokinase D. hyaluronidase E. toxic shock syndrome toxin