The role of the antenna complex in a photosystem is to
A. transfer excited electrons to the primary electron acceptor.
B. generate glucose.
C. generate NADPH.
D. capture photons from sunlight.
Answer: D. capture photons from sunlight.
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What type of phage enters an inactive prophage stage?
A. Temperate B. Secondary C. Primary D. Transformed E. Temporary
A study of a cohort of 1,000 animals showed a
90 percent death rate per individual in the first year, 10 percent the second year, and 5 percent the third year. This population's survivorship is a. type I. b. type II. c. type III. d. type I the first year and type II in years two and three. e. type I the first year, type II the second year, and type III the third year
Imagine that blood did not contain any dissolved proteins. What would likely happen when this abnormal blood flows through a capillary bed?
A) Nearly all of the fluid in the blood would move out of the capillaries. B) None of the fluid in the blood would move out of the capillaries. C) Some of the proteins in the interstitial fluid would flow into the capillaries. D) The blood would flow normally through the capillaries.
Which growth phase has the largest increase in cell numbers per unit of time?
a. death phase b. exponential phase c. lag phase d. stationary phase