Basic Macromolecules
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Which of the following carry the genetic code for all the functioning and characteristics of a cell?
Nucleic acids.
Which of these is an example of a monosaccharide?
Glucose.
Which of the following is an example of a macromolecule that acts as a catalyst in biochemical reactions?
Amylase.
Which of these acts as the first source of energy in the human body?
Carbohydrates.
Which of these functions is NOT carried out by proteins?
Insulating internal organs in the body.
Enzymes are biological catalysts that ________.
Increase the rate of any given reaction.
Which of these are the monomers of proteins?
Amino acids.
A lipid or fat molecule can be broken down into fatty acids and ________.
Glycerol.
What type of reaction builds polysaccharides from their monomers?
Condensation.
Which of these enzymes does not digest a carbohydrate?
Lipase.
Pepsin is an example of a(n) ________.
Protease.
Which bond mainly forms the secondary protein structure?
Hydrogen bond.
What type of bonds would you find in the tertiary and quaternary structures of a protein?
Disulfide bonds.
An alpha helix is formed by which type of protein structure?
Secondary.
In which protein structure do multiple protein chains interact with each other to form a globular structure?
Quaternary.
Which of the following can be found in a nucleotide but not in a nucleoside?
Phosphate group.
Nucleotides in DNA are linked together by ________.
Phosphodiester bonds.
Which of these is present in a DNA molecule but not in an RNA molecule?
Thymine.
Which of these is true for functions of DNA and RNA?
DNA carries all the genetic information; RNA helps in protein synthesis.
Which of these accurately explains the structure of a phospholipid molecule?
A glycerol molecule, two fatty acid chains, and a phosphate group.