Biology Midterm Review

Glucose is a _____.

• carbohydrate
• lipid
• protein 
• nucleic acid

Proteins are composed of what smaller building blocks?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

Which group of organic molecules serve as long-term energy storage and make the cell membrane is?

• proteins
• carbohydrates
• lipids
• nucleic acids

The primary purpose the body uses monosaccharides for is?

• Building muscles
• Helping the Immune System
• Immediate Energy
• Generating Heat

Building blocks of polymers.

• monomer
• polypeptide
• monosaccharide
• glycerol

Attractions between water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

Based on the graph, what temperature does this enzyme work best? 

• 15 C
• 40 C
• 30 C

Which of the following binds to the active site of an enzyme? 

• substrate
• product
• codon
• none of the above

What happens when enzymes are heated to a high temperature?

• The enzymes die.
• The shapes of the enzyme are altered or denatured
• The enzymes' amino acid sequence changes.
• The enzymes remain the same

Letter C...

• active site
• enzymes
• substrate
• products