Substances are often packaged into small ________ for transport, either through the membrane or throughout the interior of the cell
A) vacuoles
B) corpuscles
C) vesicles
D) organelles
C
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The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release _________ into the small intestine.
A. bile B. cholecystokinin C. secretin D. lipase E. chylomicrons
Fermentation occurs if ________.
Fill in the blank(s) with the appropriate word(s).
A consequence of the linear probability model always having heteroscedastic errors will be which of the following?
A. The intercept will be negative. B. The coefficient estimates will be biased. C. The R-squared measure will be above 1. D. None of the answers is correct.
Humans domesticated the rose from a wild ancestor with large, scented flowers. Why might fragrant chemicals in flowers be adaptive for wild roses?
A) They attract herbivores.
B) They repel seed dispersal agents.
C) They attract pollinators.
D) They prevent seed germination.