CHEM 121: MODULE 8 PORTAGE LEARNING EXAM
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED LATEST UPDATE 2024
What is biochemistry?
The study of materials found in living systems and the reactions in which they are
involved in.
What are four biochemicals?
Carbohydrates, proteins, lipids or nucleic acids.
_________ which are also called sugars are used as _________ by living systems.
Carbohydrates, fuels
List the 3 classes of carbohydrates.
monosaccharides, disaccharides, polysaccharides
The simplest sugars are called _________ and contain an _________ group on an
_________ ring or an_________ or _________ chain.
Monosaccharides, OH, ether, aldehyde, ketone
Blood sugar is chemically known as _________ .
glucose
The sugar which we call table sugar is known chemically as _________ and is a
member of the family of sugars called _________ because it contains two
monosaccharide molecules.
sucrose, disaccharides
The carbohydrate found in bread which serves as a source of glucose is called
_________ and is a member of the family of sugars called _________ because it
contains many monosaccharide molecules.
starch, polysaccharides
_________ which are also called polypeptides are formed from _________
monomer molecules.
, Proteins, amino acids
There are _________ different amino acid molecules found in proteins.
20
There are approximately _________ different proteins in the human body.
100,000
There are approximately _________ different proteins in the human cell.
10,000
Enzymes are proteins that function as _________ .
catalysts
The oxygen transport protein in blood is _________ .
hemoglobin
Albumin is a protein found in egg white that functions as a _________ .
nutrient
Immunoglobins are _________ proteins.
protective
The sequence of amino acids in a protein is described as its _________ structure.
primary (1º)
Globular and fibrous are description of the _________ structure of proteins.
tertiary (3º)
Globular proteins are _________ in water.
soluble
Fibrous proteins are _________ in water.
insoluble
Muscle proteins are _________ proteins.
fibrous
Enzymes are _________ proteins.
globular
The folding of a protein chain in 3-dimensional space is described as its
_________ structure.
tertiary (3°)
QUESTIONS AND ANSWERS WITH COMPLETE
SOLUTIONS VERIFIED LATEST UPDATE 2024
What is biochemistry?
The study of materials found in living systems and the reactions in which they are
involved in.
What are four biochemicals?
Carbohydrates, proteins, lipids or nucleic acids.
_________ which are also called sugars are used as _________ by living systems.
Carbohydrates, fuels
List the 3 classes of carbohydrates.
monosaccharides, disaccharides, polysaccharides
The simplest sugars are called _________ and contain an _________ group on an
_________ ring or an_________ or _________ chain.
Monosaccharides, OH, ether, aldehyde, ketone
Blood sugar is chemically known as _________ .
glucose
The sugar which we call table sugar is known chemically as _________ and is a
member of the family of sugars called _________ because it contains two
monosaccharide molecules.
sucrose, disaccharides
The carbohydrate found in bread which serves as a source of glucose is called
_________ and is a member of the family of sugars called _________ because it
contains many monosaccharide molecules.
starch, polysaccharides
_________ which are also called polypeptides are formed from _________
monomer molecules.
, Proteins, amino acids
There are _________ different amino acid molecules found in proteins.
20
There are approximately _________ different proteins in the human body.
100,000
There are approximately _________ different proteins in the human cell.
10,000
Enzymes are proteins that function as _________ .
catalysts
The oxygen transport protein in blood is _________ .
hemoglobin
Albumin is a protein found in egg white that functions as a _________ .
nutrient
Immunoglobins are _________ proteins.
protective
The sequence of amino acids in a protein is described as its _________ structure.
primary (1º)
Globular and fibrous are description of the _________ structure of proteins.
tertiary (3º)
Globular proteins are _________ in water.
soluble
Fibrous proteins are _________ in water.
insoluble
Muscle proteins are _________ proteins.
fibrous
Enzymes are _________ proteins.
globular
The folding of a protein chain in 3-dimensional space is described as its
_________ structure.
tertiary (3°)
