Name two genera of bacteria that are acid fast.
What will be an ideal response?
Mycobacterium and Nocardia
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Most golden algae are
a. unicellular and autotrophic. b. unicellular and heterotrophic. c. colonial and autotrophic. d. colonial and heterotrophic. e. multicellular and heterotrophic.
Which scenario best describes a double-blind study?
a. The investigator and the subjects wear blindfolds. b. No one knows what is in the experimental or control group c. The subjects do not know if they are in the experimental or control group. d. Neither the investigator or the subjects know if they are in the experimental or control group. e. The investigator does not know if subjects are in the experimental or control group
Plants and fungi first became established on land during the
A) Archaean. B) Proterozoic. C) Paleozoic. D) Cenozoic.
Which list of muscle components is in the correct order from smallest to largest?
A) muscle, sarcomeres, myofibrils, muscle fibers B) sarcomeres, myofibrils, muscle fibers, muscle C) sarcomeres, myofibrils, muscle, muscle fibers D) myofibrils, muscle, sarcomeres, muscle fibers