Respiration

Question	Answer
Define reduction	Gain of electrons or hydrogen
Name, in order, the 4 stages of respiration	Glycolysis, Link reaction, Krebs cycle, electron transport chain
Which stage is common to both aerobic and anaerobic respiration?	Glycolysis
Where does glycolysis take place?	Cytoplasm
Name 3 substances needed for glycolysis	Glucose, ATP , NAD also ADP, Pi
Name 3 products of glycolysis	ATP, Pyruvate, reduced NAD
How many carbon atoms has pyruvate?	3
What is the net ATP yield in glycolysis?	2
Where does the link reaction occur?	Mitochondrial matrix
What term describes the loss of CO2?	Decarboxylation
How many C atoms has Acetyl CoA?	2
Where is Krebs cycle located?	Mitochondrial matrix
Define the term ‘coenzyme’	A non-protein required for an enzyme to function
How many CO2 molecules are released in 1 Krebs cycle?	2
Name the 2 co-enzymes that are reduced in Krebs cycle?	NAD and FAD
Where is the electron transport chain located?	Cristae of the mitochondria
What is the precise role of oxygen?	The terminal electron acceptor
How are Hydrogen ions transported into the inner membrane space in chemiosmosis?	Active Transport /Actively transported
What term describes the addition of a phosphate group to ADP?	Phosphorylation
Which enzyme catalyses the formation of ATP?	ATP synthase
What is the common stage in both aerobic and anaerobic respiration?	Glycolysis
Name the products of anaerobic respiration in plants	Carbon dioxide and ethanol
Name the product of anaerobic respiration in animals	Lactic acid (lactate)

Resource summary

	Created by Elena Cade almost 9 years ago