Photosynthesis/Cellular Respiration

Why are plants producers and animals consumers?

Plants make food; animals consume food

Breathing & cellular respiration connection?

Breathing brings in O₂ and removes CO₂

Pathway shared by respiration & fermentation?

Glycolysis

Stage that makes the MOST ATP?

Oxidative phosphorylation (ETC)

Final electron acceptor in ETC?

O₂

Why does cyanide kill quickly?

Blocks ETC → no ATP

Why check lactic acid in athletes?

Forms when muscles go anaerobic

Where do Light Reactions occur?

Thylakoids

Where does the Calvin Cycle occur?

Stroma

Least effective light color for photosynthesis? Why?

Green—chlorophyll reflects it

What replaces electrons lost by chlorophyll?

Electrons from water splitting

Inputs of photosynthesis?

CO₂, H₂O, light

Outputs of photosynthesis?

Sugar, O₂

Why can’t Calvin Cycle run at night?

Needs ATP & NADPH from light reactions

Which is NOT a function of mitosis?

Making gametes

How are mitosis daughter cells identical?

Same DNA as parent

When is DNA doubled?

S phase

Why hard to see chromosomes in interphase?

DNA is loose chromatin

Opposite mitosis phases for nuclear change?

Prophase & Telophase

Dog has 78 chromosomes in a body cell. How many in sperm?

39

Benign vs malignant tumor?

Benign stays put; malignant spreads