The bubbles in beer are ____
a. carbon dioxide
b. oxygen
c. ethanol
d. pyruvate
e. nitrous oxide
ANSWER: a
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Which of the following primates is the most closely related to humans?
A. gorillas B. orangutans C. monkeys D. chimpanzees E. lemurs
Hardy and Weinberg showed that the allele frequencies in a non-evolving population change with
successive generations. Indicate whether the statement is true or false.
A beta-pleated sheet is an example of a protein’s tertiary structure
__________________Indicate whether the statement is true or false.
Looking at the figure above, use phylogenetic reasoning to explain whether feathers evolved for flight and why. What other possible advantages could feathers provide? Is there a way we could distinguish among oth-er alternatives to flight?
Explain your answer. What will be an ideal response?