Biomolecules And Enzymes Question Preview (ID: 44195)


Practice On Macromolecules. TEACHERS: click here for quick copy question ID numbers.

Most of the starch stored in the cells of potatoes is composed of molecules that originally entered these cells as
a) simple sugars
b) enzymes
c) amino acids
d) minerals

More energy can be released from a fat molecule than from a glucose molecule because the fat molecule contains more
a) chemical bonds
b) genes
c) organic compounds
d) mitochondria

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) start to replicate
c) are composed of fat molecules that melt
d) break down into small starch molecules

Which compound is inorganic?
a) glucose (C6H12O6)
b) carbon dioxide (CO2)
c) ethane (C2H6)
d) stearic acid (C18H36O2)

Which type of bonds connect amino acids?
a) peptide bonds
b) ionic bonds
c) James Bonds
d) glycosidic bonds

Which substances are produced by the hydrolysis of oil?
a) glycerol and fatty acids
b) water and nucleic acids
c) amino acids and dipeptides
d) glucose and water

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) type and number of DNA molecules in a cell
d) mistakes made when the DNA is copied

In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?
a) Iodine
b) Oxygen
c) Carbon
d) Hydrogen

What does protease work on?
a) Proteins
b) Lipids
c) Carbohydrates
d) All of the above

The function of a specific enzyme is most directly influenced by its
a) physical shape
b) molecular size
c) stored energy
d) carrying capacity

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