Cell Biology Questions
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A teacher at the front of a classroom sprays a mist of perfume into the air. After a few minutes, the students in the back of the room are able to smell the perfume. This is an example of ____.
According to the accompanying diagram, where are hydrogen ions sequestered?
A cell placed in a(n) ____ solution will ____.
ATP acts as a(n) ____ in many metabolic pathways.
Both endergonic and exergonic reactions require an input of ____ to begin.
The oxygen released during photosynthesis originates from ____.
Movement of a molecule against its concentration gradient always requires ____.
Pressure that a fluid exerts against its container is called ____.
Twelve PGAL molecules form when six carbon dioxide molecules are attached to six RuBP molecules. Only two of these PGAL molecules are needed to form a 6-carbon sugar. What is the fate of the 10 remaining PGAL molecules?
Which enzyme catalyzes the process of carbon fixation?
The transport of ____ across the thylakoid membrane powers ATP production.
All of these substances assist enzymes during the catalysis of biochemical reactions. Which one is a cofactor (that is, not a coenzyme)?
Adding heat to molecules boosts their free energy. The greater the free energy of reactants, the closer they are to ____.
According to the accompanying diagram, the electron transfer chains of the light-dependent reactions are located in which plant structure(s)?
What are the molecular reactants for photosynthesis in plants?
What role(s) do ATP and NADPH from the light-dependent reactions play in the conversion of PGA to PGAL in the Calvin-Benson cycle?
During light-dependent reactions, ____ accumulates inside the thylakoid compartment.
Activation energy is the energy required to bring the bonds in reactant molecules to ____.
A(n) ____ is an organized series of reaction steps in which membrane-bound arrays of enzymes and other molecules give up and accept electrons in turn.
Which type(s) of plants have adapted to hot, dry conditions by minimizing photorespiration?