Which of the following general transcription factors is bound to RNA polymerase II before it is recruited to the promoter?
A. TFIIB
B. TFIIE
C. TFIIF
D. TFIIH
E. None of the choices given is correct.
C
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Which of the following is NOT a component of plasma membranes?
A. glycosylated proteins B. phospholipids C. glycolipids D. glycosylated nucleic acids E. cholesterol
The fruiting body of members of the Basidiomycota can produce millions of ________.
A. zygotes B. gametes C. rhizoids D. spores
All of the following are challenges in gene therapy EXCEPT ________
A) designing a strategy B) unknown cell types C) unknown specific mutations D) inaccessible tissues
Consider a biallelic locus in which the selection coefficient for both the homozygote, AA, and the heterozygote, Aa, is s = 1
The homozygote, aa, has a selective coefficient of s = 0.25. Assuming that the population prior to selection is in Hardy–Weinberg equilibrium and that the allele frequency of the A allele is 0.7, what will be the allele frequency of (a) after one round of selection? a. 0.7201 b. 0.2815 c. 0.3088 d. 0.7592 e. cannot be determined from the information provided