Your microscope has a resolving power of 0.15 ?m. The specimen that you will be observing has bacterial cocci the size of 0.1 ?m in diameter. Which of the following statements is correct?
A. The cocci will be readily visible and distinct.
B. The cocci will appear much smaller than their actual size because of the low resolution.
C. The cocci will be fuzzy-looking and blend together.
D. The cocci will not be visible.
Answer: C
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a. erythropoietin b. acetylcholine c. epidermal growth factor d. epinephrine e. myostatin
What is the function of xylem?
a. It conducts water downward in the plant. b. It transports food upward in the plant. c. It transports minerals and water throughout the plant. d. It transports photosynthetic materials from stem to leaf. e. It slows the evaporation of water from the plant.
A gene that produces multiple effects is called
a. a multiple allele. b. an autosome. c. an epistatic gene. d. a pleiotropic gene. e. an incompletely dominant gene.
Chemoautotrophs __________.
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