When a growth factor receptor is NOT bound to ligand, it is MOST likely in what configuration?
a) Monomeric
b) Dimeric
c) Trimeric
d) Degraded
Answer: a) Monomeric
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The production of an rna molecule that is complementary to one particular DNA sequence is called:
A. transduction B. translation C. replication D. splicing E. transcription
The most prominent water-borne pathogens of recent times include all of the following except ______.
A. Staphylococcus B. Salmonella C. Norwalk viruses D. Cryptosporidium
Which of the following describe the placenta? (Check all that apply.)
_____ The bloods of the mother and the embryo come in close contact without mixing. _____ The placenta neutralizes toxins like alcohol and drugs before they reach the fetus. _____ Oxygen diffuses from the mother to the embryo. _____ Carbon dioxide diffuses from the embryo to the mother. _____ The placenta provides nourishment and hormones to the embryo. _____ The antibodies made in the embryo protect the mother from infections.
Where would you likely find Euryarchaeota bacteria?
a. hydrothermal vents b. cow digestive tracts c. cold ocean water d. hot sulfur springs e. salt ponds