Which of the following is NOT true of euglenoids?
a. Many move by pseudopods.
b. Many contain chloroplasts.
c. Many absorb nutrients from their environment
in a heterotrophic manner.
d. Their cell body is surrounded by a pellicle.
e. They use a contractile vacuole to maintain
water balance.
Answer: a
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The cell membrane's mix of lipids and proteins is referred to as a
a. mixture. b. mosaic. c. compound. d. complex. e. suspension.
What is proprioception?
A) the sense of pressure on the body B) the sense of the position of the body C) the sense of smell D) the sense of the body's temperature
In what way are nerve cells and muscle cells that attach to the skeleton similar?
a) both have the same function in the body b) both are unspecialized c) both are organized into tissues in complex animals d) both represent the highest level of complexity in complex animals
The Hardy-Weinberg law is useful for
A. determining the extent to which a sexually reproducing population is evolving. B. predicting when genetic drift will occur in a sexually reproducing population. C. determining when speciation will occur. D. predicting when specific groups of organisms will become extinct. E. determining if a patient has a genetic disease.