Terms in this set (21)
As a result of glycolysis:
a)there is a small net yield of ATP
b)NADH is produced
c) two molecules of pyruvic acid are formed from one molecule of glucose.
Pyruvic acid formed in glycolysis will be _____ in the presence of oxygen.
oxidized (broken down) in the bridge reactions
The enzymes that catalyze the reactions of the Krebs cycle are found in which subcellular organelle of eukaryotes?
How many ATP molecules are synthesized directly in the Krebs cycle if you supply an aerobic cell with 10 acetyl group molecules?
When an organism is temporarily deprived of oxygen in obtains its energy from:
Glycolysis and fermentation
When a muscle cell is metabolizing glucose in the complete absence of molecular oxygen, all of the following substances are produced except.
the formation of the acetyl groups
The primary role of oxygen in respiration is to:
act as an acceptor for electrons and hydrogen, forming water.
If all of the mitochondria were removed from the cells of a green plant, which of the biochemical processes immediately cease?
Which of the stages of glucose oxidation produce the most ATP when glucose is completely oxidized to carbon dioxide and water?
Stage IV: Electron transport chain ( ETC )
Which of the stages occur whether or not oxygen is there?
Stage I: Glycolysis
Which of the stages occur in the cytoplasm of the cell?
Stage I: Glycolysis
Which stage of cell respiration releases the most hydrogen from glucose?
NADH is produced during which stage?
Stages I, II, III
Which is not produced in any of the steps of glycolysis?
Under anaerobic conditions an animal converts pyruvic acid into:
When pyruvic acid is being concerted to acetyl groups:
NADH and carbon dioxide are formed
The production of ethanol (ethyl alcohol) from glucose is an example of:
Most of the carbon dioxide evolved during respiration is formed during:
The Krebs cycle
How many molecules of carbon dioxide will be given off during 10 turns of the krebs cycle?
when one molecule of pyruvic acid is broken down completely to carbon dioxide and water in the presence of oxygen, how many molecules of ATP will be produced?
Which of the compounds is more typical in animal metabolism than of plant metabolism?