What happens when the arrector pili muscles contract?
A. The hairs on your skin stand on end.
B. The blood from your skin is rerouted to your core.
C. Your leg kicks out.
D. You tap your finger.
E. Your head nods "yes."
Answer: A
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The stroma of a chloroplast is most like which
of the following cellular structures?
a. ribosomes b. cell membranes c. the cytoplasm d. nuclei e. mitochondria
Lyme disease involves
A. early symptoms of fever, headache, and stiff neck. B. people exposed to wooded or forested areas. C. treatment with antimicrobials. D. crippling polyarthritis, cardiovascular issues, and neurological problems. E. All of the choices are correct.
Introducing a foreign piece of DNA into an organism in such a way that it can be passed along through the germ line (eggs and sperm) and hence to subsequent generations creates a ________ organism
Fill in the blank with correct word.
The most common method of bacterial reproduction is
A) prokaryotic fission. B) meiosis. C) mutation. D) budding.