Carrageenan is found in the cell walls of which group of algae?
a. red algae
b. green algae
c. dino?agellates
d. yellow-green algae
Ans: a. red algae
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The cell membrane can be described most accurately as
A) permeable to most small molecules but impermeable to larger ones. B) permeable to only larger molecules. C) permeable to all molecules. D) permeable to some molecules and impermeable to others. E) impermeable to all polar molecules.
Taxonomy can be described as a system that:
a. classifies, names, and identifies microor-ganisms in a consistent manner. b. classifies microorganisms, based on their genetic makeup. c. classifies microorganisms, based on their phenotypic makeup. d. classifies microorganisms, based on their cellular and colonial traits.
A one-way relationship in which one species
benefits at the expense of another is a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. a neutral relationship
What are 3 key differences between bacteria and eukaryotic cells
What will be an ideal response?