The passive transport of water across a membrane from a solution of lower solute concentration to a solution of higher solute concentration is best described as
a) facilitated diffusion
b) osmosis
c) passive transport
d) active transport
e) general diffusion
Answer: b) osmosis
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All of the following are true about prosimians except
A. they are big-eyed mammals with increased visual acuity. B. only two lineages survive today. C. they are nocturnal. D. they are widespread.
Which of the following best describes semiconservative replication?
a. The translation of a DNA molecule into a complementary strand of RNA. b. A DNA molecule consists of one parental strand and one new strand. c. The number of DNA molecules is doubled with every other replication. d. The replication of DNA never takes place with 100% accuracy. e. The replication of DNA takes place at a defined period in the cell cycle.
Mature communities generally exhibit the greatest species diversity
Indicate whether the statement is true or false
Classification of protozoans is based primarily on the type of motility observed in the trophozoite stage. Identification can also be made by
A) Examination of tissue specialization B) Examination of the cyst C) Determining a lack of nuclei D) Determining the level of multicellularity