Respiration Flashcards
(15 cards)
Why is cellular respiration needed?
To make ATP for life processes.
What is the structure of a mitochondrion?
Outer/inner membrane, cristae, matrix
What happens during glycolysis?
Glucose → TP → pyruvate + ATP + NADH.
What happens in the link reaction?
Pyruvate → Acetyl CoA + CO₂ + NADH.
What happens in the Krebs cycle?
Acetyl CoA + oxaloacetate → citrate → ATP + CO₂ + NADH + FADH₂.
What is the role of NAD and FAD in respiration?
Carry hydrogen and electrons.
What happens in oxidative phosphorylation?
Electrons → O₂, ATP formed.
What is the chemiosmotic theory?
H⁺ gradient powers ATP synthase.
What happens during anaerobic respiration in animals?
Glucose → lactate.
What happens during anaerobic respiration in yeast?
Glucose → ethanol + CO₂.
Why does anaerobic respiration produce less ATP than aerobic?
Anaerobic skips Krebs and ETC
What are the relative energy values of carbohydrates, lipids and proteins?
Lipids > proteins > carbs in energy yield
What is the formula for respiratory quotient (RQ)?
RQ = CO₂ produced ÷ O₂ consumed.
How can RQ be used to interpret respiration data?
Indicates substrate used.
What factors affect the rate of respiration?
