When solutes are unloaded from phloem, water
a. is pumped into the phloem by active transport.
b. leaves the xylem by osmosis.
c. moves into the phloem by facilitated diffusion.
d. is pumped out of the phloem by active transport.
e. leaves the phloem by osmosis.
E
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After sexual reproduction in a moss, the ____ grows out of the gametophyte
a. bud b. calyptra c. protonema d. sporophyte e. archegonium
To inherit an autosomal dominant disorder a person could receive the disease causing allele from
a) the father only, not the mother. b) the mother only, not the father. c) the mother or the father. d) the parent who does not exhibit the disease. e) All answers are correct.
You have isolated a cell which contains murein. What other structure(s) can you safely assume this cell has?
A. a cell membrane B. all of the above C. a plasmid D. a pili E. a mitochondrion
Starch, cellulose, and glycogen are alike in that they
A. have the same types of bonds between the monomer units. B. can all be digested by our bodies. C. contain the same number of side chains. D. are all made of glucose. E. are all found in animals.