The advantage of light microscopy over electron microscopy is that _____
A) light microscopy provides for higher magnification than electron microscopy
B) light microscopy provides for higher resolving power than electron microscopy
C) light microscopy allows one to view dynamic processes in living cells
D) light microscopy provides higher contrast than electron microscopy
C
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When a person drinks alcohol, the rate of urination increases. This suggests that antidiuretic hormone (ADH) may be affected by alcohol consumption in some way. Which of the following best accounts for the increase in urination?
A) Alcohol stimulates the release of ADH. B) Alcohol inhibits the release of ADH. C) Alcohol inhibits the binding of ADH to receptors in the nephron. D) Alcohol could inhibit ADH release or the binding of ADH to receptors in the nephron.
The Michaelis constant
A) can be determined using the Lineweaver—Burk plot. B) is equal to twice the Vmax. C) is equal to the substrate concentration at Vmax/2. D) both choices A and C E) choices A, B, and C
Which of the following statements about Chlamydia is incorrect?
A. Reticulate bodies differentiate into elementary bodies. B. It is an obligate parasite that needs host cells for growth. C. It is gram-negative. D. Elementary bodies are the infectious form. E. Elementary bodies lack enzyme systems for making ATP.
________ lakes are nutrient-rich and tend to have large populations of algae.
A. Eutrophic B. Temperate C. Stratified D. Oligotrophic