Protists are a diverse group of organisms that are similar in
A) rRNA sequences.
B) metabolic type.
C) motility.
D) ecology.
E) None of the answers is correct.
A
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Which molecule is responsible for separating double-stranded DNA into single strands?
A. DNA primase B. DNA helicase C. topoisomerase D. DNA ligase E. single-stranded binding proteins
Which of the following is associated with extracellular digestion via release of the contents of lysosomes directly to the environment?
A) fertilization of animal eggs B) rheumatoid arthritis C) autophagy D) only choices A and B E) choices A, B, and C
Which disease is caused by a bacterium without a cell wall?
a) Pneumococcal pneumonia b) Mycoplasmal pneumonia c) Legionellosis d) Psittacosis
At any given time, what percentage of the body's capillaries have blood flowing through them?
A) 5-10% B) 20-25% C) 40-50% D) 85-90%