A pigment absorbs a photon if the energy of the photon is ____
a. exactly enough to boost an electron of the pigment to a higher energy level
b. slightly more than the energy of the electron absorbing the photon
c. significantly more than the energy of the electron absorbing the photon
d. exactly twice the energy of the electron absorbing the photon
e. significantly less than the energy of the electron absorbing the photon
ANSWER: a
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You ask to hold the baby and feel a hard mass in the abdomen. Together with your chemical and physical findings, you decide to operate on the small intestine to remove what appears to be a cyst. If you're successful, what will the baby's digestive system be able to do now that it couldn't before?
a. Poop! b. Form pepsin c. Absorb sugars d. Break down fatty acids e. Absorb amino acids f. Break down carbohydrates g. Harbor bacteria
A clone is a
A. species. B. mutation. C. new kind of organism. D. genetically distinct population.
Oxygen is reduced to
What will be an ideal response?
The evolution of saber teeth in a both extinct carnivorous mammals and marsupials is an example of
A. homology caused by common descent. B. homology caused by convergence. C. homoplasy caused by common descent. D. homoplasy caused by convergence. E. homoplasy caused by evolutionary reversal.