Which complex carbohydrate contains only a-1,4-glycosidic linkages?
a. Amylopectin
b. Glycogen
c. Cellulose
d. Amylose
Answer: a. Amylopectin
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If a bacterial cell encounters unfavorable environmental conditions, then its metabolism will begin to slow until it eventually transforms into an inactive, dormant state. This survival me-chanism is known as:
a. polymerization. b. oxidation. c. respiration. d. sporulation.
Which statement about kudzu is FALSE?
a. It was imported from Asia for erosion control and forage. b. It was originally introduced into the Pacific Northwest. c. It is an exotic species. d. It grows over most anything stationary in its path. e. It is a vine.
Human populations can grow at a maximum rate of
a. 5% per year. b. 2?5% per year. c. 10% per year. d. 15% per year. e. 20% per year.
How are fish gills able to increase the efficiency of oxygen removal from water?
A) the opeculum pumps water through the gills B) the flow of blood over the gills is opposite the flow of H2O C) the number of blood vessels are increased in the operculum D) the oxygen is taken in through the cloaca and sent to gills