Topic Human Cells Worksheet Page 2
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2011.
In respiration, the sequence of reactions
7.
In respiration, the sequence of reactions resulting in
resulting in the conversion of glucose to
the conversion of glucose to pyruvic acid is called
pyruvic is called
A. the cytochrome system
A. the Krebs cycle
B. the TCA cycle
B. the citric acid cycle
C. the Krebs cycle
C. glycolysis
D. glycolysis.
D. the cytochrome chain.
8.
The diagram shows part of a liver cell with four parts
labelled. In which part is most ATP produced?
12.
Which of the following is an insoluble
polysaccharide?
A. Glycogen
B. Glucose
C. Sucrose
D. Maltose
13.
The graph below shows changes which
9.
Glycolysis takes place in the
occur in the masses of protein, fat and
carbohydrate in a person’s body during seven
A.
nucleus
weeks without food.
B. cristae of mitochondria
C. matrix of mitochondria
D. cytoplasm.
10.
The following diagram represents stages in the
complete breakdown of glucose in aerobic respiration.
Glucose
Stage X
Pyruvic acid
Stage Y
Weeks without food
Krebs cycle
The person’s starting weight was 60kg.
Stage Z
Predict their weight after two weeks without
food.
At which stage, or stages, is carbon dioxide released?
A. 57kg
A. Stages X and Z
B. 54kg
B. Stages X and Y
C. 50kg
C. Stages Y and Z
D. 43kg
D. Stage Z only.
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