Energy Flow Test #1

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The activation energy needed for a chemical reaction is decreased by a

catalyst

What is the name of the process in which ATP is formed?

cellular respiration

What macromolecule can your body not get ATP from?

nucleic acid

Which phrase best describes an exothermic chemical reaction?

releases more energy than it absorbs

What part of the cell makes proteins?

ribosomes

In the cell, which organelle releases cellular energy from food?

mitochondria

Where does this process occur?

mitochondria

If a cell has 16 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?

16

What is the third component of an ATP molecule?

3 phosphates

What is recycled during the ATP-ADP cycle?

ADP and P

Which of the following reactions directly provides chemical energy for most cell functions?

ATP -> ADP + P

What is the first component of an ATP molecule?

Adenine

Identify the products in this reaction: 6H₂0 + 6CO₂ -> C6H12O6 + 6O₂

C6H12O6 and 6O₂

Which macromolecule found in the food you eat will your cells break down first to get ATP?

Carbs

What does an endothermic reaction diagram look like?

Endothermic

What does an exothermic reaction diagram look like?

Exothermic

What is the second component of an ATP molecule?

Ribose

In which phase of the cell cycle is genetic material (DNA) replicated/duplicated?

S

Reactants bind to enzymes at the

active site

This process occurs when the cell uses energy to bring something in from outside the cell.

endocytosis

Chemical reactions that absorb more energy than they release are called

endothermic

A solution that has more solute than a cell is ____________ and will cause the cell to shrivel up.

hypertonic

Energy is released from an ATP molecule for cellular processes when it

loses a phosphate group

Which phrase best describes the function of the ATP molecule?

stores energy

The molecule that an enzyme binds to is known as its

substrate

Where does your body get the energy for reattaching a third phosphate to ADP, creating ATP?

usually from carbs


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