The polysaccharides agarose and carrageenan are isolated from red algae for commercial use. These polysaccharides are found in cell walls. What plant polysaccharide are they analogous to?
A. Elastin
B. Mannose
C. Amylose
D. Collagen
E. Cellulose
Answer: E
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Which of these is rich in unsaturated fats?
A. a fat that is solid at room temperature B. butter C. beef fat D. bacon grease E. olive oil
Discarded or lost drift nets will have a large impact on:
a. schooling fishes. b. marine mammals. c. benthic invertebrates. d. zooplankton. e. both a and b
When ATP releases some energy, it also releases inorganic phosphate. What happens to the inorganic phosphate in the cell?
A) It is secreted as waste. B) It is used only to regenerate more ATP. C) It may be used to form a phosphorylated intermediate. D) It enters the nucleus and affects gene expression.
An electrode is analogous to the Miller-Urey experiment, which of the following is analogous to primordial Earth?
a. water vapour b. a strongly reducing atmosphere c. lightning d. a primeval sea