Which of the following is the cause of smallpox?
A) vaccinia virus
B) varicella virus
C) variola virus
D) none of these choices
C) variola virus
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The hormone that promotes conservation of water in the human endocrine system is the
A. antidiuretic hormone (ADH). B. prolactin. C. oxytocin. D. luteinizing hormone (LH). E. thyroid-stimulating hormone (TSH).
A protein being synthesized by a cell for export would follow which pathway in the cell?
A. ribosome to cell membrane B. ribosome to lysosome to endoplasmic reticulum to Golgi apparatus to cell membrane C. ribosome to endoplasmic reticulum to Golgi apparatus to cell membrane D. ribosome to Golgi apparatus to endoplasmic reticulum to cell membrane
Which of the following is not found in protozoan cells?
a. Cell walls b. Nucleus c. Mitochondria d. Cell membrane
Albinism, lack of pigmentation in humans, results from an autosomal recessive gene. Two parents with normal pigmentation have an albino child. What is the probability that their next child will be a wild type girl?
A) 1/4 B) 0% C) 1/2 D) 3/4 E) 3/8