Biomolecules Quiz Review

Which of the following are examples of biomolecules?

• proteins, lipids, carbohydrates, and nucleic acids

• lipids, fats, carbohydrates, and proteins

• nucleotides, proteins, enzymes and carbohydrates

• monomers, lipids, enzymes, and proteins?

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The enzymes' amino acid sequence changes.

• The shapes of the enzyme are altered denature

• The enzymes remain the same

In the diagram, what is letter A?

• enzyme-substrate complex

• substrate

• product

• active site

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

• The optimum pH of the enzyme is 5.8

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

• The optimum pH of the enzyme is 6.6.

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

Which biomolecule is a source of quick energy for cells?

• carbohydrates

• lipids

• proteins

• nucleic acids

Which of the following best explains why enzymes are necessary for many cellular reactions?

• Enzymes supply the oxygen necessary for the reactions

• The reactions take up too much space in the cell if the enzymes are missing.

• Enzymes change reactants from solid to liquids during the reactions.

• The reactions are too slow to meet the needs of the cell if enzymes are missing.

Which biomolecule is involved in long term energy storage?

• carbohydrates

• lipids

• proteins

• nucleic acids

What function do both carbohydrates and lipids both share?

• production of hormones

• energy storage

• structural support for plasma membrane

• catalyst for chemical reactions

Which biomolecule plays a role in muscle development and repair?

• carbohydrates

• lipids

• proteins

• nucleic acids

If athletes 'pasta load' the day before a big game, which biomolecule are they consuming the most of to stock up on a source of quick energy?

• carbohydrates

• lipids

• proteins

• nucleic acids