The word hormone comes from the Greek word meaning

a. target.
b. response.
c. secretion.
d. set in motion.
e. internal gland.


D

Biology & Microbiology

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In liverworts, the gametophyte generation is a flat, branching, ribbonlike plate of tissue closely pressed against damp

soil called a ____.

a. rhizoid

b. gemmae c. antheridium d. archegonium e. thallus

Biology & Microbiology

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, 5

Biology & Microbiology

A 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

Biology & Microbiology

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

Biology & Microbiology