A cell exposed to a hypertonic environment will _____ by osmosis
a. Gain water
b. lose water
c. neither gain or lose water
d. burst
Ans: b. lose water
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All cells contain
(a) cytoplasm. (b) a cell wall, nucleus, and cytoplasm. (c) DNA, plasma membrane, and cytoplasm. (d) mitochondria, plasma membrane, and cytoplasm.
A community in ecology is defined as ________
A) a group of organisms, all from the same species, and their surrounding environment B) organisms from multiple species interacting in the same place C) organisms from multiple species interacting in the same place, and their surrounding environment D) the global ecosystem
Within chloroplasts, the fluid-like matrix in which the Calvin cycle occurs is called ________.
A. stroma B. mesophyll C. thylakoids D. grana
PhyB may inhibit flowering in:
a. day-neutral plants. b. vernalized plants. c. long-day plants. d. senescing plants. e. short-day plants.