In the process of noncyclic photophosphorylation
A. photosystems I and II are both required.
B. water is split to form oxygen gas.
C. electrons from water flow through electron transport chains resulting in synthesis of ATP and NADPH.
D. All of the choices are correct.
Answer: D
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Decapod crustaceans (shrimps, lobsters, and crabs) all lack
A. a carapace, a dorsal cephalothorax shield. B. a ventral line of appendages, swimmerets. C. a tail spine, telson. D. chelicerae.
A sporophyte is a ____ plant body that grows
by ____ from a ____. a. haploid; mitosis; spore b. diploid; mitosis; spore c. diploid; mitosis; fertilized egg d. diploid; meiosis; fertilized egg e. haploid; mitosis; fertilized egg
Plants provide animals with which of the following?
A) food and oxygen B) food and carbon dioxide C) carbon dioxide D) oxygen E) food
From the figure below, one can assume that base substitution rates are generally ________ in bacteria and vi-ruses relative to eukaryotes
a. higher b. lower c. the same d. deleterious e. beneficial