During mitotic cell division, if chromosomal material is improperly divided between the two daughter cells, one cell could receive three copies of a chromosome, and the other cell could receive only one
This is likely due to a defect in which process? A) cytokinesis
B) karyokinesis
C) crossing over
D) synapsis
E) homologous recombination
B
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Structures that have no apparent function but had a function in ancestral species are
A. the fossil record. B. the molecular record. C. homology. D. development. E. vestigial structures.
Glyptodonts are fossil forms that resemble ____
a. ostriches b. armadillos c. kangaroos d. turtles e. sloths
what are two anti-metabolites used to treat tuberculosis
What will be an ideal response?
The tRNA shown in the figure has its 3' end projecting beyond its 5' end. What will occur at this 3' end?
A. The excess nucleotides (ACCA) will be cleaved off at the ribosome. B. The small and large subunits of the ribosome will attach to it. C. The 5' cap of the mRNA will become covalently bound. D. The amino acid binds covalently. E. The codon and anticodon complement one another.