DNA replication always proceeds by adding new bases to the _______ end of an existing strand.
A. 1'
B. 2'
C. 3'
D. 4'
E. 5'
C. 3'
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What happens during gastrulation?
A. Cells migrate to form a layered structure. B. A fertilized egg divides mitotically to form a ball of cells. C. A gastrula is transformed into a blastula. D. The embryo divides into distinct zones of cell division, cell expansion, and cell differentiation. E. All of these events happen during gastrulation.
Transcription
a. occurs on the surface of the ribosome. b. is the final process in the assembly of a protein. c. occurs during the synthesis of any type of RNA from a DNA template. d. is catalyzed by DNA polymerase. e. fits all of these descriptions.
When comparing the genomes of prokaryotes verse eukaryotes, it can be accurately stated that
A. larger and more complex organisms have more genes than smaller, less complex organisms. B. eukaryotic genomes are smaller than prokaryotic genomes. C. eukaryotic genomes are larger than prokaryotic genomes. D. the size of the organism determines the size of the genome.
If a scientist were studying the role of different proteins in the regulation of insulin secretion from a pancreatic cell, they would be studying
A. both proteomics and cell biology. B. cell biology. C. both genomics and proteomics. D. genomics. E. proteomics.