Photosynthesis Basics
Light vs Dark
Respiration Basics
Respiration Steps
Compare and Connect
100

What gas do plants take in?

carbon dioxide


100
Which part of photosynthesis needs sunlight? 

light reactions

100

The process by which cells release energy from food 

cellular respiration 

100

What is the first step of cellular respiration called?

glycolysis 
100

Which gas is released by photosynthesis but used in respiration?

oxygen


200

What is the main purpose of photosynthesis?

to make glucose

200

What molecule is split during light reactions?

H2O

200

What is the main purpose of cellular respiration 

to make energy (ATP)

200

Where does glycolysis take place in the cell?

cytoplasm 

200

Which process removes carbon dioxide from the atmosphere?

photosynthesis 
300

What is the main pigment that captures sunlight?

chlorophyll

300

What gas is used during the Calvin Cycle?

carbon dioxide 

300

What organelle does cellular respiration take place? 

Mitochondria 

300

What gas is needed for the ETC to function? 

oxygen

300

Which process makes glucose? 

photosynthesis 

400

What organelle does photosynthesis happen in? 

chloroplast

400

What energy molecule is made in the light reactions?

ATP

400

What is the main difference between ATP and ADP?

ATP has 3 phosphates, ADP has 2 phosphates 

400

What step comes after glycolysis in cellular respiration? 

Krebs Cycle / Citric Acid Cycle 

400

Which process/processes do plants do?

photosynthesis AND respiration 

500

Write the full chemical equation for photosynthesis 

6CO₂ + 6H₂O + sunlight → C₆H₁₂O₆ + 6O₂

500

What is made at the end of the Calvin Cycle

glucose 

500

Write the full chemical equation for cellular respiration 

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP

500

The passing of electrons along a series of molecules, releasing energy as they go, happens in which step? 

ETC (Electron Transport Chain)

500

Which process increases during exercise? WHY?

respiration because you need more energy (ATP) for your muscle cells