You have identified a novel cytoplasmic protein. Through sequence analysis you are able to identify the presence of a number of serine/threonine phosphorylation motifs. Based on these data, you hypothesize that this protein may be a substrate for what kind of enzyme?
A. A protein kinase
B. A receptor tyrosine kinase
C. A G protein-coupled receptor
D. A tyrosine phosphatase
E. A phospholipase
A. A protein kinase
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The region of the human brain is that is critically important for monitoring and controlling movements is the
A. medulla oblongata. B. cerebellum. C. hypothalamus. D. basal nuclei. E. cerebral cortex.
Identical twins
A. are the result of one fertilized egg dividing to become two individuals. B. do not usually have the same DNA. C. result from two eggs being fertilized by one sperm. D. result from one egg being fertilized by two sperms.
What three documented mechanisms do cells use to localize mRNAs?
What will be an ideal response?
A seal that just ate a clam is eaten by a shark. The shark is acting as a _____.
a. producer b. secondary consumer c. tertiary consumer d. detritivore e. primary consumer