The bipedal posture of humans evolved from ____
a. deleterious mutations
b. a novel mutation
c. quadrupedal ancestors
d. bipedal ancestors
e. flightless birds
ANSWER: c
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One way to generate acetyl-CoA is to convert pyruvate into acetyl-CoA by stripping off a CO2 molecule. The removal of CO2 is referred to as what type of reaction?
A. Decarboxylation B. Glycolytic C. Carboxylation D. Acetylation
The pleasurable feeling one gets from taking
Ecstacy is related to the neurotransmitter
a. endorphin. b. acetlycholine. c. dopamine. d. serotonin. e. epinephrine.
Which of the following is negatively correlated with territory size?
A) bird size B) bird density C) number of offspring D) number of mates
What are attached at the centromere?
A) Homologous chromosomes B) Sister chromatids C) Daughter cells D) Genomes