Cell Parts
Where It Happens
Respiration Basics
All About ATP
Photosynthesis
100

This structure is the control center of the cell and holds its DNA.

What is the nucleus?

100

Cellular respiration takes place in these two parts of the cell.

What are the mitochondria and the cytoplasm?

100

This is the main purpose of cellular respiration.

What is making ATP (by breaking down glucose)?

100

ATP stands for this.

What is adenosine triphosphate?

100

These two things are the products of photosynthesis.

What are glucose and oxygen?

200

Known as the “powerhouse of the cell,” this is where most of cellular respiration happens.

What is the mitochondria?

200

Glycolysis, the first stage of cellular respiration, takes place here.

What is the cytoplasm?

200

Glycolysis breaks one glucose molecule down into two molecules of this.

What is pyruvate?

200

The high-energy bonds in ATP are found here.

What is between the phosphate groups?

200

These two things are the reactants of photosynthesis.

What are carbon dioxide and water?

300

This thin outer boundary controls what enters and leaves the cell.

What is the cell membrane?

300

The Krebs cycle takes place in this part of the mitochondria.

What is the mitochondrial matrix?

300

These are the three stages of cellular respiration, in order.

What are glycolysis, the Krebs cycle, and the electron transport chain?

300

This stage of cellular respiration produces the most ATP.

What is the electron transport chain?

300

Making this energy molecule is the purpose of the light-dependent reactions.

What is ATP?

400

The folds of this part of the mitochondria give it extra surface area for the electron transport chain.

What is the inner membrane?

400

The electron transport chain takes place in this part of the mitochondria.

What is the inner membrane of the mitochondria?

400

This is the equation for cellular respiration.

What is C₆H₁₂O₆ + O₂ → CO₂ + H₂O + energy (ATP)?

400

Cellular respiration makes about this many ATP molecules from one glucose.

What is 30–32?

400

Stomata have these two main jobs involving gases.

Releasing O₂ and taking in CO₂

500

This fluid-filled space inside the inner membrane of the mitochondria is where the Krebs cycle happens.

What is the matrix?

500

Photosynthesis takes place in this organelle, found in plant cells but not animal cells.

What is the chloroplast?

500

Besides ATP, cellular respiration produces these two things.

What are carbon dioxide and water?

500

When ATP releases energy, it loses a phosphate and becomes this molecule.

What is ADP?

500

Photosynthesis depends on these tiny openings in a leaf to get the CO₂ it needs.

What are stomata?