MicroRNA (miRNA) regulates gene expression by:
A. inhibiting transcription.
B. inhibiting splicing.
C. inhibiting translation by binding to RNA
transcripts.
D. inhibiting translation by degrading RNA
transcripts.
E. inhibiting rRNA synthesis.
C
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Which of the following is an application of transposon tagging?
A. To test if a transposon is replicative B. As a tool to clone novel genes C. To track the movement of transposons between species D. To inactivate transposons in a genome
Organogenesis
A. involves acrosomal reaction. B. is the formation of the three germ layers. C. involves failure of the organs to form. D. is when tadpoles become frogs. E. Arises from germ layer cells.
Which feature is not consistent with animals?
a. Heterotrophs b. Single celled c. Ingest food d. Unwalled cells in their bodies e. Motile during some point in their life
Which process is an example of a function carried out by the skeletal system?
a. transmission of mechanical forces b. conduction of nerve impulses c. regulation of body temperature d. transportation of hemoglobin e. contraction of muscle fibers