Q20: Which of the following organisms produces toxins
Q21: The central dogma concerning the flow of
Q22: The anticodons are located in
A)tRNA.
B)rRNA.
C)mRNA.
D)ribosomes.
Q23: Chemically,most enzymes are
A)proteins.
B)lipids.
C)nucleic acids.
D)carbohydrates.
Q24: The sterol-like molecule in bacterial plasma membranes
Q26: The actual genetic makeup of an organism
Q27: Formic acid is a fermentation product of
A)Streptococcus.
B)Klebsiella.
C)Clostridium.
D)Actinomyces.
Q28: In which phase of mitosis do the
Q29: DNA replication occurs in which phase of
Q30: Movement of bacteria toward or away from
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