Neurotransmitters are molecules released by ____
a. gonads
b. polar hormones
c. peptide hormones
d. cells in the blood
e. neurons
E
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Which research topic would fall within the area of systems biology?
a. looking at the interaction of Gene X and Gene Y in cancer cells b. understanding how stress hormones affect the organs in the human body c. designing a new valve for a heart d. finding a novel receptor for a known hormone e. determining the bacteria levels in Lake Michigan before and after a rainfall
What is DNA hybridization?
What will be an ideal response?
Bacteria in the intestinal tract assist their hosts by ____
a. helping with digestion b. eating other bacteria c. producing minerals reptiles cannot d. producing stomach acid e. encouraging the growth of pathogens
Sweat glands produce (lysozyme/dermcidin/acid), which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits
What will be an ideal response?