Which two structures will help the plant conserve water during times of drought?
a. Stomata and porous roots
b. Stomata and cuticle
c. Cuticle and broad surface area on the leaves
d. Cuticle and porous roots
e. Stomata and porous epidermis
b
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Agarose gel electrophoresis separates DNA molecules according to their ____
a. charge b. length c. sequence d. percentage of GC base pairs e. structure
The purpose of specialized lacunae are to:
a. provide structure to the rhizomes. b. carry oxygen to plant parts. c. provide buoyancy to the blade. d. both b and c
In an autosomal dominant disorder such as Huntington's disease, two carrier parents have the probability of passing
the gene onto ____ percent of their children.
a. 0 b. 25 c. 50 d. 75 e. 100
Phagocytosis and pinocytosis are forms of
A) osmosis. B) diffusion. C) passive transport. D) active transport