The word hormone comes from the Greek word meaning
a. target.
b. response.
c. secretion.
d. set in motion.
e. internal gland.
D
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Which of the following is a febrile disease characterized by a rash and is caused by a virus that can cross the placenta to cause serious fetal damage?
A. Shingles B. Measles C. Rubella D. Smallpox E. Impetigo
In liverworts, the gametophyte generation is a flat, branching, ribbonlike plate of tissue closely pressed against damp
soil called a ____.
a. rhizoidb. gemmae c. antheridium d. archegonium e. thallus
What is the correct order for the following events that follow a nerve impulse along a sympathetic neuron to innervate
the heart? 1) G protein activates adenylyl cyclase 2) Neuron releases norepinephrine 3) Cyclic AMP activates protein kinase 4) Receptor activates G protein 5) Protein kinase phosphorylates Ca2+ channels 6) Receptors activated on the membrane of the cardiac muscle a. 1, 3, 4, 5, 2, 6 b. 5, 3, 4, 1, 2, 6 c. 6, 2, 4, 1, 3, 5 d. 2, 6, 4, 1, 3, 5
e. 2, 3, 4, 1, 6, 5A farmer decides to plant his crops in a desert. What adaptation would give them the greatest advantage in this climate?
A. C3 photosynthesis B. symbiosis C. mycorrhizal association D. C4 photosynthesis E. mycoheterotrophy