Which of the rRNA molecules has proven the most useful in taxonomy/identification?
A. 5S
B. 16S
C. 23S
D. 80S
B
Biology & Microbiology
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What prevents plants and bacteria from experiencing cell lysis?
a. A plasma membrane around cell walls b. A cytoskeleton of protein fibers c. Organelles suspended in cytosol d. A protective nuclear envelope
Biology & Microbiology
What is the name of the area where bones meet and interact?
a. joint b. ligament c. osteoblast d. bony matrix e. connective tissue
Biology & Microbiology
The process by which bacteria and fungi break down
nitrogenous materials forming NH4+ is a. nitrification. b. ammonification. c. denitrification. d. nitrogen fixation. e. respiration.
Biology & Microbiology
One of the components of a cell’s cytoskeleton is composed of
a. plastids. b. cytoplasm. c. microtubules. d. chromosomes.
Biology & Microbiology