Which of the following is a hemorrhagic fever?
A. Cat-scratch fever
B. Chikungunya
C. Q fever
D. Trench fever
E. Rocky Mountain spotted fever
Answer: B
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________ membranes allow some molecules to pass but not others.
A. Selectively permeable B. Inverted monolayer C. Impermeable D. Permeable
True sea snakes are ________ and do not come to land to breed
a. oviparous b. none of these choices c. viviparous d. ovoviviparous
Exocrine glands:a
have products that are transported via the circulatory system. b. lack ducts. c. include goblet cells and milk glands. d. release hormones. e. lack epithelial tissue
The basis for muscle contraction is
a. rotation of myosin fibers around actin fibers. b. expansion of the sarcomere. c. the sliding of myosin and actin fibers past one another. d. movement of the Z discs away from one another.