respiration Flashcards
Which process is common to both aerobic and anaerobic respiration?
GLYCOLYSIS
list the four stages of respiration
Glycolysis, link reaction, krebs cycle, oxidative phosphorylation
where does glycolysis take place and why
cytoplasm as glucose is too large to move though membrane of mitochondria
where does link reaction occour
matrix of mitochondria
where does krebs cycle occor
matricx of motochondria
where does oxidative phosphorylation occour
cristae
Respiratory substrates other than glucose include what?
lipids and amino acids
what are the products of anaerobic respiration in animals (carbon product and how many ATP’s)
latacte and 2 ATP’s
what are the products of anaerobic respiration in plants (carbon product and how many ATP’s)
co2 + ethanol + 2 ATP
Explain why ATP is used in the process of glycolysis.
It phosphorylates glucose to form glucose-phosphate (which is more reactive), allowing it to take part in the
enzyme-controlled reactions that follow.
What is meant by ‘decarboxylation’ and where does this happen during aerobic respiration?
Decarboxylation is the removal of a molecule of CO2. It occurs during the link reaction and the Krebs cycle.
What are types of substance are NAD and FAD, and what is there role in respiration?
Co-enzymes, to transport and donate electrons to ETC and protons to move through ATP synthase
What is meant by ‘substrate-level’ phosphorylation and where does occur?
When a phosphate group from an intermediate substrate directly phosphorylates ADP to form ATP. This
occurs in glycolysis and the Krebs cycle.
List two factors that can impact the rate of respiration in yeast cells which you could investigate.
Temperature
Concentration of glucose
pH
