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Biomolecules And Enzymes
Test Description: Practice on macromolecules
Instructions: Answer all questions to get your test result.
1) Most of the starch stored in the cells of potatoes is composed of molecules that originally entered these cells as
A
simple sugars
B
amino acids
C
minerals
D
enzymes
2) More energy can be released from a fat molecule than from a glucose molecule because the fat molecule contains more
A
chemical bonds
B
mitochondria
C
genes
D
organic compounds
3) Shrimp that live in the cold waters off Alaska will die if introduced into warm water. One likely reason these shrimp don't survive is that the enzymes in shrimp
A
change shape
B
break down into small starch molecules
C
are composed of fat molecules that melt
D
start to replicate
4) Which compound is inorganic?
A
ethane (C2H6)
B
carbon dioxide (CO2)
C
stearic acid (C18H36O2)
D
glucose (C6H12O6)
5) Which type of bonds connect amino acids?
A
glycosidic bonds
B
ionic bonds
C
peptide bonds
D
James Bonds
6) Which substances are produced by the hydrolysis of oil?
A
amino acids and dipeptides
B
glucose and water
C
glycerol and fatty acids
D
water and nucleic acids
7) The shape of a protein is most directly determined by the
A
kind and sequence of amino acidsin the protein
B
amount of energy available for synthesis in the protein
C
mistakes made when the DNA is copied
D
type and number of DNA molecules in a cell
8) In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?
A
Oxygen
B
Carbon
C
Hydrogen
D
Iodine
9) What does protease work on?
A
Proteins
B
All of the above
C
Lipids
D
Carbohydrates
10) The function of a specific enzyme is most directly influenced by its
A
molecular size
B
stored energy
C
physical shape
D
carrying capacity
*select an answer for all questions
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