One of the Hardy-Weinberg assumptions states that all genotypes in the population are free of selective advantage. What influence might a selective advantage of a genotype have on a Hardy-Weinberg equilibrium?
What will be an ideal response?
Certain alleles will reach the next generation on a nonrandom basis, thus upsetting the equilibrium.
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In the light-dependent reactions of photosynthesis, an excited electron from photosystem II is passed along an electron
transport chain to ____.
a. NAD+b. NADH c. photosystem I d. oxygen e. water
Which of the following is not true of fluorescent in situ hybridization (FISH)?
A. It can be used to identify unknown bacteria without culturing. B. It can be used to detect RNA in cells. C. Probes can locate genes on chromosomes. D. It uses electrophoresis to separate the DNA. E. Probes can be applied to intact cells.
Sperm use ____ for their energy source
a. fructose b. glucose c. ions d. semen e. prostate gland secretions
Which of the following is a function of a signal peptide?
A. to bind RNA polymerase to DNA and initiate transcription B. to signal the initiation of transcription C. to terminate translation of the messenger RNA D. to translocate polypeptides across the ER membrane E. to direct an mRNA molecule into the cisternal space of the ER