Osmosis transports water across membranes using ________.
a. aquaporins
b. exocytosis
c. endocytosis
d. facilitated diffusion
e. none of the above
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A cell in late anaphase of mitosis will have _____
A) no chromosomes in the center of the cell B) chromosomes clustered at one end of the cell C) individual chromatids beginning to separate from one another D) chromosomes clustered tightly at the center E) one large nuclear envelope
B. thuringiens bacteria is a remarkable resource for researchers and farmers alike when it comes to pest control. Why? Select all correct choices
A. It contains a Ti plasmid. B. It produces insect toxins. C. It is responsible for crown gall disease and can be used to kill parasitic plants. D. Its genes can be used to genetically engineer plants. E. It produces cardenolides.
Features that contributed to success on land include a
__________ and __________ that minimize water loss. Fill in the blank(s) with the appropriate word(s).
Ovules become seeds and ovaries become:
a. cones. b. roots. c. flowers. d. shoots. e. fruits.