Which of the following is NOT a characteristic of
some mollusks?
a. radula
b. mantle
c. gills
d. pseudocoel
e. shell
Answer: d
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In a population in Hardy-Weinberg equilibrium, 75 percent of the individuals have a dominant allele for a particular gene (p=0.75) and 25 percent have a recessive allele (q=0.25). The proportion of homozygous recessive individuals in the F1 generation will be
A) 2.5%. B) 6.25%. C) 18.75%. D) 0%.
Which characteristic seems to be most
uniquely correlated with metastasis? a. loss of nuclear-cytoplasmic controls governing cell growth and division b. changes in adhesion proteins on membrane surfaces c. shrinkage of the cytoskeleton d. increase in blood supply to the tumor e. none of these
Why is the SLA higher under shade for both shade-tolerant and shade-intolerant plants?
A) Shade intolerant plants have larger surface areas. B) Leaves tend to be thicker in the shade. C) Leaves tend to have larger surface areas to absorb more sunlight. D) Shade tolerant plants have larger surface areas.
During translation, what is the CORRECT order of events that occur as an amino acid is added?
A) codon recognition, peptide bond formation, translocation B) translocation, codon recognition, termination C) initiation, codon recognition, termination D) peptide bond formation, translocation, codon recognition