Experiments designed by ______________ suggested that living cells caused the fermentation of sugar to produce alcohol
A. Pasteur
B. Koch
C. Wohler
D. Fleming
A
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A species' fundamental niche:
A. is smaller than its realized niche. B. is what is actually occupied by that species. C. is determined by competition between species. D. has the necessary resources and conditions for survival. E. is always occupied in full by most species.
When receptors coupled to phospholipase C are activated, calcium levels in the cytosol increase when ______
A. diacylglycerol binds to ligand-gated channels on the endoplasmic reticulum, releasing calcium. B. IP3 binds to ligand-gated channels on the plasma membrane, releasing calcium. C. diacylglycerol binds to ligand-gated channels on the plasma membrane, releasing calcium. D. IP3 binds to ligand-gated channels on the endoplasmic reticulum, releasing calcium. E. phospholipase C phosphorylates the receptor leading to calcium production.
NADH and FADH2 deliver energy to what stage of cellular respiration?
a) electron transport chain b) acetyl-CoA formation c) glycolysis d) citric acid cycle
Two species that have experienced several thousand years of isolation from one another are now incapable of producing viable offspring despite mating efforts. What type of reproductive isolating mechanism developed between the two species?
What will be an ideal response?