Which of the following would be used by a chemoorganotroph for energy?
A) C2H3O2-
B) H2
C) CO2
D) H+
Answer: A
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A farmer has adopted a new program of integrative pest management. What will this program entail for the farmer and his crops? Select all correct choices
A. The farmer will assess which pests are consuming his crops. B. The farmer will use commercial pesticides sparingly. C. The farmer will introduce natural predators for the pests onto his farmland. D. The farmer will place nets around his crops (if possible).
The main difference between facilitated transport and osmosis is that
a. facilitated transports the passive transport of water, while osmosis moves solute particles. b. osmosis is the diffusion of water while, facilitated transport moves solute particles. c. facilitated transport requires energy while osmosis does not. d. osmosis requires a transport protein while facilitated transport does not.
The embryo develops from cells of the
a. blastocyst outer layers. b. blastocyst inner cell mass. c. gastrula mesoderm. d. gastrula ectoderm. e. gastrula endoderm
Bulk flow of organic compounds is indicated
by a. A. b. B. c. C. d. D. e. E.