Most sensory signals destined for the cerebrum pass
through the
a. pons.
b. olfactory area.
c. cerebellum.
d. thalamus.
e. hypothalamus.
Answer: d
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Aerobes use ____ as the final electron acceptor in electron transport phosphorylation
a. hydrogen b. carbon c. oxygen d. H2O e. NAD+
A soft drink manufacturer, notorious for making marketing claims that are deceptive but technically accurate, has released a new sports beverage. The advertisements for this beverage assert that it contains anabolic molecules that provide energy and is 100% legal to produce and consume. You buy a bottle of this beverage for testing and discover that it contains little more than water, disaccharides such as sucrose and maltose, citric acid, and other fairly common fruit flavoring agents. Have you finally caught the company in a lie?
a. Yes! This beverage does not contain any anabolic ingredients despite these claims. b. Yes! Anabolic steroids are illegal in the United States regardless of how they are consumed. c. No; disaccharides are created through anabolic pathways and are perfectly legal. d. No; anabolic molecules denature in the presence of citric acid, becoming legally inert.
From an evolutionary perspective, why is sexual reproduction advantageous over asexual reproduction?
A) Sexual reproduction produces less genetic diversity than asexual reproduction. B) Asexual reproduction minimizes differences, so natural selection can act more easily. C) Sexual reproduction is faster and easier than asexual reproduction. D) Sexual reproduction produces greater genetic diversity than asexual reproduction.
A trait that serves one purpose today, but evolved under different selective conditions:
a. is called an exaptation. b. is called an adaptation. c. explains the match between an organism and its environment. d. A and C. e. B and C.