Most carbohydrates manufactured in leaves and other photosynthetic parts are transported through the phloem to the rest of the plant by the process of
A. transpiration.
B. translocation.
C. osmosis.
D. receptor-mediated transport.
E. turgor pressure.
B. translocation.
Translocation is the process where the carbohydrates manufactured during photosynthesis are transported from the leaves and other green parts to the rest of the plant. This is a function of the phloem.
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Punnett Square on a separate piece of paper. Manuel has both cystic fibrosis, a recessive disorder, and sickle cell anemia which is also a recessive disorder. Manuel’s partner, Lucretia, is normal for both conditions. What is the probability that Manuel and Lucretia will have a normal child without either of the conditions Manuel has?
a. 0% b. 25% c. 75% d. 100% e. it is not possible to solve this problem with the information provided
According to the redundancy hypothesis, species are redundant if
A. they have an effect on the ecosystem that is disproportionate with their abundance. B. they could be eliminated or replaced by others with no loss of ecosystem function. C. their ecological niche overlaps somewhat with another species. D. they have grown beyond their carrying capacity for a particular ecosystem.
Crossing-over and synapsis occur during
A. prophase of mitosis only. B. prophase I of meiosis only. C. prophase II of meiosis only. D. prophase I and prophase II of meiosis.
Mitochondria transfer ________ energy from ________ to ATP; chloroplasts transform ________ energy into the chemical energy of ATP.
A) chemical . . . food . . . light B) nuclear . . . light . . . food C) food . . . light . . . chemical D) food . . . light . . . nuclear E) light . . . food . . . kinetic