The process of denitrification involves the transformation of ________.
A. ammonia to organic matter nitrogen
B. ammonia to nitrate
C. nitrogen gas to ammonia
D. nitrate to nitrogen gas
Answer: D
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PSI is a __________ than PSII
A. weaker oxidant B. stronger oxidant C. stronger reductant D. weaker oxidant and a stronger reductant E. stronger oxidant and a stronger reductant
In 2D chromatography analysis, each of the spots on the chromatography paper represent different proteins. In order to
correctly identify the proteins and interpret the data, which experimental control must be included?
a. using cellular carbohydrate extract that was not labeled with radioactivity to determine the effect of radioactive labeling on the study b. using purified proteins of interest in individual trials to identify each protein's profile on the chromatography paper c. using water in place of the cellular carbohydrate extract to compare the profile of the proteins to a completely pure sample d. using water in place of the solvent to determine the effect of the solvent on the movement of the proteins on the chromatography paper e. removing excess proteins from the cellular carbohydrate extract before chromatography
EPSPs can form due to the diffusion of Na+ across a neuron plasma membrane
Indicate whether the statement is true or false.
Which of the following are found in BOTH
plant and animal cells?
a. nucleus, Golgi body, and chloroplasts b. Golgi bodies, mitochondria, and endoplasmic reticula c. centrioles, cell wall, and nucleolus d. vacuoles, nucleolus, and lysosomes e. starch grains, chloroplasts, and lysosomes