Which of the following is not true of bacterial plasmids?
A. They are required for host growth and/or reproduction.
B. They can replicate independently of the chromosome.
C. They may carry genes that enhance survival of the bacterium under certain conditions.
D. They may carry genes for drug resistance.
Answer: A
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When studying human blood, the acronym “Never Let Monkeys Eat Bananas’ can be used to remember the names of the different types of:
1.plasma proteins 2.platelets 3.red blood cells 4.white blood cells
Misting tomato plants with wintergreen tea can help prevent mosaic virus from infecting the plant. How?
What will be an ideal response?
The slowest but most effective control for acid-base balance is the.
A) respiratory system. B) buffer systems in the blood. C) kidney. D) brain.
The amount of air that moves in and out with each breath is called the
A. vital capacity. B. inspiratory reserve volume. C. residual volume. D. tidal volume. E. expiratory reserve volume.