Which of the following is an unusual event that occurs as trichomes differentiate?
a. DNA replication
b. endoduplication
c. cell expansion
d. mitosis
e. regulation of the cell cycle
B
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What distinguishes a free-living flatworm from other organisms?
A) A tubular gut B) Eyespots C) A cuticle D) A coelom E) Hooks
In a replication fork, how do the leading and lagging strands differ?
a. In the lagging strand, new DNA is synthesized 3?–5?. b. Each strand is replicated by a unique type of polymerase. c. The lagging strand is replicated discontinuously. d. DNA polymerase proceeds more slowly on the lagging strand. e. The lagging strand is subject to more error and requires more repair.
During RNA editing of the coxIII gene transcript of Trypanosoma brucei, many uridines not encoded in the gene are added to the final transcript. How is the added information obtained?
What will be an ideal response?
The preauricular tags indicative of Goldenhar Syndrome are a result of a defect in which pharyngeal arch?
A. I B. II C. III D. IV E. VI