Which process moves materials against a concentration gradient?
a. active transport
b. dialysis
c. facilitated diffusion
d. simple diffusion
e. osmosis
ANSWER: a
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A. Mitochondria B. Lysosome C. Chloroplasts D. Nucleus
What is the site of cleavage?
a. Ovary b. Vagina c. Cervix d. Uterus e. Oviduct
The DNA-histone complex is most analogous
to
a. a pearl necklace. b. a waterproof watch. c. a microwave oven. d. the gears on a bicycle. e. a flashlight
You discover a new microbe while working on a citizen scientist project. The microbe is taken to a lab that specializes in placing organisms in their correct phylogenic niche. In order to determine its evolutionary relatedness to other microbes, the lab carries out ________.
A. DNA fingerprinting B. microscopic analysis C. SSU rRNA analysis D. biochemical tests