Chapter 5

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Considering the ATP cycle, which of the following would have the most potential energy to perform work for cell activities?

ATP

Identify which of the following statement is not true

ATP is comprised of sugar, base, and two phosphate groups.

The part of the enzyme into which the substrate fits is called the

Active site

The concentration of calcium in a cell is 3%. Concentration of calcium in the surrounding fluid is 1%. How could the cell obtain more calcium?

Active transport

What prevents a plant cell from bursting in a hypotonic solution?

Cell wall

Which of the following terms best describes entropy?

Disorder

Simple diffusion across a plasma membrane is called passive transport because it

Does not require energy from the cell

When a car burns gasoline much of the energy is in the form of heat as the car is driven. Which of the following best describes this in relation to the first law of thermodynamic?

Energy can be changed from one form to another.

Metabolic pathways are known for all of the following EXCEPT

Enzymes to help raise the energy of activation

In what function do the embedded membrane proteins at "C" serve?

Facilitated and active transport

Molecules move from greater to lesser concentration through a transport protein in

Facilitated diffusion

Which of the following is not a mechanism used to move materials in and out of the cell?

Feedback inhibition

The opposite of a turgid plant cell is a

Plasmolyzed plant cell

Which of the following is best associated with a coupled reaction?

The metabolic reaction requires energy from ATP


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