Evidence that algae are the closest relatives to plants is that they both
A. have chloroplasts.
B. contain chlorophyll a.
C. have cellulose-rich cell walls.
D. use starch as a nutrient reserve.
E. All answers are correct.
Answer: E. All answers are correct.
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Bacteriophages may reproduce using a __________ pathway in which viral DNA becomes part of the
host chromosome. Fill in the blank(s) with the appropriate word(s).
Lysozyme
a. is secreted by endocrine glands in the skin. b. destroys the cell wall of invading bacteria. c. is produced in the lymph nodes and actively disables bacteria. d. is a very effective defense against viruses. e. is active within the circulatory system.
Which of the following would be appropriately sterilized using UV radiation?
stainless steel surface in biological safety cabinet used for media preparation stack of plastic petri dishes, prior to pouring media flask of nutrient broth nutrient agar plates with lids
The Calvin cycle requires all of the following except:
A) ATP. B) NADPH. C) RuBP. D) O2.