Which of the following violate(s) the second law of
thermodynamics?
a. gasoline engines
b. life
c. nuclear power plants
d. stars such as the sun
e. none of these
Answer: e
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The metabolic process of denitrification
A) oxidizes N2. B) oxidizes NO3-. C) reduces N2. D) reduces NO3-.
What is the function of ligaments?
a. anchor muscle to bone b. connect bones to each other c. link sheets of epithelial tissues to other tissues d. anchor muscles to epithelial tissues e. connect bones to epithelial tissues
Which of the following statements regarding genital warts is incorrect?
A. Certain strains predispose a person to cancer of the cervix or penis. B. They form large cauliflower-like masses called condyloma acuminata. C. They are not common in the United States. D. They are sexually transmitted. E. They often occur on the penis, vagina, and cervix.
Disruption of neural signaling can produce profound changes in mood and behavior. Cocaine exerts its effects by
A. blocking serotonin reuptake from synapses. B. blocking the enzyme acetylcholinesterase. C. binding to the GABA receptor to enhance inhibitory neurotransmission. D. preventing neurotransmitter vesicle fusion with presynaptic neuron membranes. E. blocking norepinephrine and dopamine reuptake from synapses.