The photosynthetic systems of algae living in deeper water are adapted to absorb more of the light of which of the following colors?
A. white
B. blue-green
C. yellow
D. red-orange
E. purple
Answer: B
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Whole genome sequencing is often approached by a shotgun sequencing approach in which:
A. large genomes are randomly digested, short fragments are sequenced, and the overlapping sequences are assembled in order. B. large genomes are digested only once, large fragments are sequenced, and the overlapping sequences are assembled in order. C. large genomes are randomly digested, short fragments are sequenced, and the overlapping sequences are assembled from largest to smallest. D. large genomes are randomly digested, short fragments are sequenced, and the overlapping sequences are assembled from smallest to largest. E. All of the answer options are correct.
The term evolution is used to describe
A. heritable changes in characteristics of a population from one generation to the next. B. any change in an individual that can be observed. C. changes in the number of individuals in a population due to mating. D. the ability of an individual organism to pass on what it has learned, through experience, to the next generation. E. any change in an individual organism that occurs in somatic cells.
Which of the following is NOT true regarding an
incomplete digestive system? a. Food enters a saclike gut. b. Food and wastes pass through the same opening. c. Food is only partially digested in this system; therefore, fecal material is good fertilizer. d. This system favors regional specialization. e. There is two-way traffic of materials in this system.
How many molecules of CO2 are needed to generate one molecule of glucose?
A. 6 B. 3 C. 4 D. 5 E. 2