When calcium levels rise, the __________ secrete(s)
__________, which __________ osteoclast activity.
a. parathyroids; calcitonin; suppresses
b. thyroid; calcitonin; suppresses
c. thyroid; calcitonin; enhances
d. thyroid; PTH; suppresses
e. parathyroids; PTH; enhances
Answer: b
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Which of the following serves as a flexible coat of armor for a protist?
a. pellicles b. lysosomes c. vesicles d. cilia
Cells with two of each kind of chromosome are _____
a. aneuploid b. diploid c. triploid d. haploid e. tetraploid
Phenol red is used Part 10.1.A to visualize
a. O2 production from aerobic respiration. b. CO2 production from aerobic respiration. c. sugar production from aerobic respiration. d. O2 consumption in aerobic respiration.
Which phrase best describes the result of meiosis?
a. the generation of four haploid cells b. the generation of four diploid cells c. the generation of two diploid cells and two haploid cells d. the generation of two diploid cells