Which of the following is the neurotransmitter that is released at the neuromuscular junction?
A. epinephrine
B. dopamine
C. norepinephrine
D. acetylcholine
D
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Which of the following are maternal effect genes that control the orientation of the egg and thus the Drosophila embryo?
A) homeotic genes B) segmentation genes C) egg-polarity genes D) morphogens E) inducers
Which of the following groups of biomes is listed in order of least to greatest in terms of species diversity?
A. rain Forest, savannah, taiga B. savannah, taiga, rain forest C. taiga, rain forest, savannah D. savannah, rain forest, taiga E. taiga, savannah, rain forest
What three plant tissue systems are contained in the stem?
A. root hairs, meristem, and vascular B. dermal, vascular, and ground tissue C. dermal, meristem, and vascular D. dermal, ground tissue, and meristem
All of the following are communicable diseases, except
A) Measles B) Pertussis (whooping cough) C) Influenza D) Botulism