The oldest endospores to be revived and cultured to produce live bacteria are
A) 25,000 years old.
B) 250 years old.
C) 250,000 years old.
D) 250 million years old.
E) 2,500 years old.
D
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The relationship between the light-dependent and light-independent reactions in photosynthesis is that
A. the energy stored in the glucose made during the Calvin cycle is used to drive the light reactions. B. the light-dependent and light-independent reactions both take place within the membranes of bacterial cells or thylakoid membranes of chloroplasts. C. the ATP made during the light-dependent reactions is used for the growth and development of the cell and the ATP from the oxidation of glucose drives the light reactions. D. the light-independent reactions are driven by the ATP and NADPH generated from the light reactions.
A(n) exergonic reaction results in a net gain of free energy
__________________ Indicate whether the statement is true or false.
Stomatal guard cells swell to create a stomata in response to ________.
A. The loss of Na+ and Cl- ions, allowing water to flow into the cells by osmosis B. The active transport of water into stomatal guard cells C. The outward flow of K+ ions, causing water to flow out of the cells by osmosis D. The inward flow of K+ ions, causing water to flow into the cells by osmosis E. Wilting in the leaf, which stimulates the uptake of water by stomatal guard cells
Zinc (Zn) is considered a macronutrient.
Answer the following statement true (T) or false (F)