All of the following kinds of plants have at least some members that are vascular plants EXCEPT:
A. spermatophytes
B. lignophytes
C. tracheophytes
D. bryophytes
E. embryophytes
D. bryophytes
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The alternative pathways of photosynthesis using the C4 or CAM systems are said to be compromises. Why?
A) Each one minimizes both water loss and rate of photosynthesis. B) C4 compromises on water loss and CAM compromises on photorespiration. C) Both minimize photorespiration but expend more ATP during carbon fixation. D) CAM plants allow more water loss, while C4 plants allow less CO2 into the plant. E) C4 plants allow less water loss, but CAM plants allow more water loss.
Chloroplasts are the site of ____
a. DNA synthesis b. cellular digestion c. protein synthesis d. photosynthesis e. lipid synthesis
A patient has a stroke that leaves him without any impulse control. Where is the most likely location of the brain
damage?
a. limbic association cortex b. prefrontal association cortex c. Wernicke's area d. occipital cortex e. somatosensory cortex
Which of the following is NOT an example of
gene flow?
a. several chimpanzees migrate from their colony to join another one close by b. spores from a mushroom are carried by the wind thousands of miles c. wild cherries are eaten by a migrating bird and the seeds released many miles away d. a small group of humans left Africa about 100,000 years ago and established new colonies in the middle East and Europe e. all of these are examples of gene flow