Kinetochores attach
A) sister chromatids to each other. B) chromatids to spindle microtubules.
C) chromosomes to each other. D) chromosomes to ribosomes.
B
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Microtubules and microfilaments are similar with respect to each of the following except
A) inherent polarity of the structure. B) localization similar to that of intermediate filaments in cells. C) association with motor proteins. D) plus and minus ends for polymerization. E) both are polymers of subunits.
What percentage of alleles will be shared by certain siblings due to the law of independent assortment?
A) Monozygotic twins will have no alleles in common. B) Monozygotic twins will have about 50% of their alleles in common. C) Two typical siblings will have about 50% of their alleles in common. D) Dizygotic twins will have 100% of their alleles in common.
Hyphae are associated with which of the following?
A) yeasts B) algae C) molds D) protozoa E) helminths
How is it that vertebrates are able to produce antibodies to virtually every foreign antigen with which they come in contact?
What will be an ideal response?