Macromolecules

Front

Which of the following is not a major class of biologic macromolecule? Carbohydrates, Lipids, Nucleic Acids, Proteins, All of these are major classes of biologic macromolecules

Back

All of these are major classes of biologic macromolecules

Front

What can happen to an enzyme in a non-optimal (too high, too low) pH?

Back

All of these could happen

Front

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

Back

Enzyme decrease the activation energy of the reaction.

Front

Which of the following conclusions can be drawn from this graph?
Options:

The optimum pH of the enzyme is 6.6.

,

The optimum pH of the enzyme is 5.8

,

The enzyme’s activity increases as pH increases 5.0 to 9.0

,

The enzyme’s activity is greater around pH of 8.0.

,

None of these

Back

The optimum pH of the enzyme is 6.6.

Front

Which macromolecule is used as our main source of active energy? Options: Lipids/Fats, Nucleic Acids, Proteins, Carbohydrates, None of these

Back

Carbohydrates

Front

Proteins are made of monomers called ___________

Back

Amino Acids

Front

What is the function of macromolecule subunit below? Options:

stores energy long term

,

catalyst

,

stores genetic information

,

composes the majority of the cell membrane

,

Active energy

Back

stores genetic information

Front

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

Back

dehydration synthesis