Biochemistry Exam Questions and Answers
Verifies 100% Correct
What are the monomers that make up proteins?
amino acids
What is an enzyme?
a protein that acts as a catalyst to a substrate and increases chemical reaction by
decreasing the amount of energy needed
Where does the enzyme bind to the substrate?
active site
What is cohesion?
the binding of identical molecules
What is adhesion?
the binding of different molecules
What are the four major macromolecules?
proteins, lipids, carbohydrates, and nucleic acid
What are two types of carbohydrates?
monosaccharide (single sugar molecule) and polysaccharide (multiple sugar molecules)
What are two types of lipids?
saturated and unsaturated
What is a substrate?
the biological molecule that an enzyme will work on
, How many bonds can carbon form?
four
What are the most common elements found in the human body?
carbon, oxygen, hydrogen, nitrogen
What is a substance with a high concentration of hydrogen ions?
an acid
What is a substance with a high concentration of hydroxide ions?
a base
What macromolecule stores and transmits genetic information?
nucleic acid
What macromolecule is broken down for immediate energy & stored for extra energy?
carbohydrates
What macromolecule regulates cell processes, forms bones & muscles, transports
substances to & from cells and fights diseases?
proteins
What macromolecule stores energy and builds biological membranes & waterproof
coverings?
lipids
Do all living things need oxygen?
viruses and bacteria don't
What does a pH of 7 represent?
Verifies 100% Correct
What are the monomers that make up proteins?
amino acids
What is an enzyme?
a protein that acts as a catalyst to a substrate and increases chemical reaction by
decreasing the amount of energy needed
Where does the enzyme bind to the substrate?
active site
What is cohesion?
the binding of identical molecules
What is adhesion?
the binding of different molecules
What are the four major macromolecules?
proteins, lipids, carbohydrates, and nucleic acid
What are two types of carbohydrates?
monosaccharide (single sugar molecule) and polysaccharide (multiple sugar molecules)
What are two types of lipids?
saturated and unsaturated
What is a substrate?
the biological molecule that an enzyme will work on
, How many bonds can carbon form?
four
What are the most common elements found in the human body?
carbon, oxygen, hydrogen, nitrogen
What is a substance with a high concentration of hydrogen ions?
an acid
What is a substance with a high concentration of hydroxide ions?
a base
What macromolecule stores and transmits genetic information?
nucleic acid
What macromolecule is broken down for immediate energy & stored for extra energy?
carbohydrates
What macromolecule regulates cell processes, forms bones & muscles, transports
substances to & from cells and fights diseases?
proteins
What macromolecule stores energy and builds biological membranes & waterproof
coverings?
lipids
Do all living things need oxygen?
viruses and bacteria don't
What does a pH of 7 represent?
