macromolecules Warmup 2

Which is a function of proteins?

• Long term energy storage

• Cell communication and immunity

• Insulation and protection

• Storage of genetic information

Which of the following is a protein that acts as a catalyst for chemical reactions?

• Insulin

• Protein Pumps

• Hemoglobin

• Enzyme

If there is a drastic change in pH level or temperature within a protein molecule, what is most likely to occur?

• Equilibrium will be reached

• Denaturation, or loss of biological activity

• Nothing will happen to the molecule.

Which of the following is NOT a function of nucleic acids?

• Transport RNA brings amino acids to ribosome for protein assembly

• Storage of energy in chemical bonds

• Messenger RNA takes a copy of the genetic message to the ribosome for
  protein assembly

• Component of cell membrane

Which of the following is NOT a protein?

• Insulin (signals glucose to enter cells)

• Enzymes (catalyze chemical reactions)

• Cholesterol (component of cell membrane)

• Antibodies (targets foreign antigens)

Which pairing is correct?

• nucleotides : carbohydrates

• amino acids : nucleic acids

• amino acids : proteins

• monosaccharides : proteins

What is the name of the monomer shown to the left?

• nucleotide

• monosaccharide

• fatty acid

• amino acid

If an enzyme is added to a chemical reaction, what is most likely to occur?

• The reaction will speed up

• The reaction will slow down

• The reaction will stop