Flashcards in Glycolysis Deck (42)
Glycogen converts _______ into ______.
One 6-carbon glucose
Two 3 carbon pyruvates
Glycolysis happens in which cells
All cells of the body
_______cells do not have mitochondria to finish the rest of cellular respiration.
Red blood cells
Glycolysis takes place in
What are the key enzymes in glycolysis?
What is the rate limiting step in glycolysis?
What are the two phases of glycolysis?
Preparatory (investing) phase - 1st 5 steps
Pay off phase - last 5 steps
Step two of glycolysis is conversion of what?
Glucose-6-phosphate to fructose 6 phosphate
What is the enzyme for step two?
phosphoglucose isomerase (changes spatial arrangement)
Step one of glycolysis converts what?
Glucose into glucose-6-phosphate
What is the enzyme used in step one?
glucokinase in liver
Hexokinase in all other cells
Is step one reversible or irreversible?
Does step one use ATP?
Which step in glycolysis is the most important rate limiting step? What happens?
Step 3 - conversion of fructose-6-phosphate into fructose-1,6-bisphosphate
What happens in step 4?
Fructose-1,6-bisphosphate converters into glyceraldehyde-3-phosphate and dihydroxyacetone phosphate (DHAP)
What enzyme is used in step 4?
What enzyme converts DHAP to glyceraldehyde-3-phosphate? Step 5
Trios phosphate isomerase
Which steps use ATP in the investing phase?
Step 1 and 3
Step 6 converts what two things using which enzyme?
Glyceraldehyde-3-phosphate to 1,3 bisphosphoglycerate
Enzyme: G3P dehydrogenase
What is used in step 6?
NAD+ and Pi
Step 7 converts 1,6 bisphosphoglycerate to3-phosphoglycerate suing what enzyme?
Step 7 is known as the _________ point. Why?
2ATP were used and 2 ATP produced
Step 8 converts 3-phosphoglycerate to 2-phosphoglycerate using which enzyme?
Step 9 converts 2-phosphoglycerate to phosphoenolpyruvate using which enzyme? Removes what molecule?
What is the enzyme in step 10?
How many ATP are created in step 10?
Hexokinase is an allosterically regulated enzyme. Which is inhibited by it's product:
What would happen if there were too much glucose-6-phosphate in the cell?
The cell would swell