Enzymes are _________________
A. highly specific
B. most active at 0oC
C. most active at 65oC
D. multipurposeâ€"one enzyme catalyzes
multiple pathways
E. polysaccharides
Answer Key: A
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Removal of Giardia intestinalis from municipal water supplies involves the use of ________.
A. rapid sand filters B. gamma radiation C. predatory microorganisms D. slow sand filters
Briefly describe what is meant by the term autoradiography and identify a classic experiment that used autoradiography to determine the replicative nature of DNA in eukaryotes
What will be an ideal response?
Vascular tissue that transports organic nutrients and sugars from the leaves to the roots is
A. phloem. B. cambium. C. xylem. D. periderm. E. sclerenchyma.
During capillary exchange, what will occur if the blood pressure at the arterial end were to decrease and become lower than the osmotic pressure?
A. Water will leave the blood stream allowing oxygen and carbon dioxide to diffuse out of the blood stream. B. Nothing will occur because the blood pressure does not impact the movement of gases. C. Oxygen and carbon dioxide will increase their rate of diffusion into the interstitial fluid. D. Water would not leave the blood stream which could disrupt the movement of oxygen and carbon dioxide through the membrane.