Although bacteria lack membrane-bound organelles, such as chloroplasts and mitochondria, they can still perform the functions of these organelles by localizing certain metabolic enzymes on:
A) ribosomes.
B) the cell wall.
C) the plasma membrane.
D) the nuclear membranes.
E) the endoplasmic reticulum.
Correct Answer:
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Q13: Which structure acts like a motor for
Q14: Some bacteria avoid being phagocytized by a
Q15: The DNA molecule is packaged into thread-like
Q16: Plasmids of bacteria often have genes involved
Q17: Humans have _ pairs of chromosomes.
A) 22
B)
Q19: Peptidoglycan consists of:
A) lipids only.
B) proteins only.
C)
Q20: Bacterial conjugation is related to_.
A) exotoxins
B) vertical
Q21: What is commensalism?
A) A relationship between individuals
Q22: Lactic-acid bacteria are used for:
A) producing vaccines.
B)
Q23: What are Koch's postulates?
A) A set of
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