Stem cells have the ability to differentiate to form specific cell types, which divide only slowly or not at all
a. True
b. False
True
Biology & Microbiology
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The tall ferns that we typically see in the tropics and temperate woodlands are the ________.
A. gametes B. spores C. sporophytes D. gametophytes
Biology & Microbiology
In warm areas, salt is extracted from seawater by:
a. evaporation. b. freezing. c. reverse osmosis. d. chemical methods. e. filtration.
Biology & Microbiology
What are the members of a pair of chromosomes (for example, the two copies of chromosome 1 ) called?
A) alleles B) gametes C) homologous chromosomes D) sister chromatids
Biology & Microbiology
How are large substances moved during exocytosis?
A) out of the cell B) into the cell C) between organelles D) through protein channels in the plasma membrane
Biology & Microbiology