The common characteristic of Alveolata is
A. silica covering.
B. funnel-shaped, contractile collar.
C. a single, unique mitochondria.
D. presence of a plasmodium.
E. a layer of flattened vesicles beneath the plasma membrane.
Answer: E
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A) total number of individuals in the population B) frequency of heterozygotes C) frequency of dominant homozygotes D) frequency of recessive homozygotes
The expression of a gene may depend on ________
a. the type of organism b. environmental conditions c. the type of cell d. all of these
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A. tuberculosis. B. Pneumocystis pneumonia. C. Kaposi's sarcoma. D. tuberculosis and shingles. E. Pneumocystis pneumonia and Kaposi's sarcoma.
Endocrine glands release ____
a. mucus b. hormones c. saliva d. milk e. tears