If a cell moves through water by moving the fluid over its surface, what does the cell mostly likely possess?
a. a capsule
b. a cell wall
c. cilia
d. a flagellum
Answer: c. cilia
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In flowering plants, petals form when ____ genes are turned on
a. only A b. only B c. only C d. both A and B e. both B and C
Phytochemicals in low quantities in a person’s diet
may lead to a. high blood pressure. b. increased incidence of athletes foot. c. macular degeneration. d. halitosis. e. none of these.
Cystic fibrosis is caused by a recessive loss-of-function mutation that encodes a protein called the ________
A) cystic fibrosis transmembrane ion channel B) chloride ion transmembrane conductance regulator C) cystic fibrosis transmembrane conductance regulator D) cystic fibrosis ion channel regulator
Which of the following is an example of direct water usage?
A) agricultural irrigation B) power plant cooling C) steam generation D) home drinking water