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TEAS 7-Biology Exam Questions With
Revised Answers
Monomers - answer✔✔small molecular building blocks of polymers
Endothermic Reaction - answer✔✔A reaction that ABSORBS energy in the form of heat
Hydrolysis - answer✔✔a chemical reaction that adds water to a macromolecule in order to break
its covalent bond; key component in digestion
The creation of macromolecules is what kind of reaction? - answer✔✔Endothermic reaction
called dehydration
The breakdown of macromolecules is what kind of reaction? - answer✔✔Exothermic reaction
called hydrolysis
4 Types of Macromolecules - answer✔✔carbohydrates, lipids, proteins, nucleic acids
Macromolecules are also known as - answer✔✔biopolymers
Simplest unit of a carbohydrate - answer✔✔monosaccharide
At the molecular level, carbohydrates contain - answer✔✔Carbon, hydrogen, and oxygen
Glucose - answer✔✔A very common carbohydrate monomer that exists as a hexose (meaning it
has 6 carbons in it).
Carbohydrate monomers tend to end in - answer✔✔-ose
Carbohydrate functions in living systems - answer✔✔1. storage
2. structure
3. communication/recognition
Plants use carbohydrates in the form of - answer✔✔cellulose
chitin - answer✔✔carbohydrate used by fungi to add structure to their cell wall and by
insects/anthropods in their exoskeleton
, ©THEBRIGHTSTARS 2024
Glycoprotein - answer✔✔A protein with one or more carbohydrates covalently attached to it,
used by the human body for cellular recognition. Oligosaccharide with amino acids attached that
attaches to a cell's lipid membrane in cellular recognition; antibody, immunoglobulin
Carbohydrate stored in the liver - answer✔✔glycogen
Smallest unit of a lipid - answer✔✔fatty acid
On a molecular level, lipids contain a lot of - answer✔✔hydrogen and carbon
Lipids do not mix with water, meaning they are - answer✔✔hydrophobic
Lipids have 2 important functions - answer✔✔1. Storing energy
2. Providing structure
Adipose Tissue - answer✔✔Connective tissue in the body that stores fat.
Phospholipids - answer✔✔Used by cells, particularly in cell membranes, to provide structure
This lipid bilayer has a hydrophilic phosphate group that points towards the aqueous
environment: - answer✔✔phospholipid bilayer
Simplest unit of a protein - answer✔✔amino acid
All proteins contain - answer✔✔C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Functions of proteins in the body - answer✔✔1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Amino acids are joined by what bond? - answer✔✔Peptide
Hydrophobic proteins have a function of providing ________ & are found where? -
answer✔✔structure; keratin (hair and nails), and collagen (skin)
What is the function of membrane proteins? - answer✔✔-transport substances across the plasma
membrane as protein channels and carrier proteins
-structure
-body wide communication (immunity)
TEAS 7-Biology Exam Questions With
Revised Answers
Monomers - answer✔✔small molecular building blocks of polymers
Endothermic Reaction - answer✔✔A reaction that ABSORBS energy in the form of heat
Hydrolysis - answer✔✔a chemical reaction that adds water to a macromolecule in order to break
its covalent bond; key component in digestion
The creation of macromolecules is what kind of reaction? - answer✔✔Endothermic reaction
called dehydration
The breakdown of macromolecules is what kind of reaction? - answer✔✔Exothermic reaction
called hydrolysis
4 Types of Macromolecules - answer✔✔carbohydrates, lipids, proteins, nucleic acids
Macromolecules are also known as - answer✔✔biopolymers
Simplest unit of a carbohydrate - answer✔✔monosaccharide
At the molecular level, carbohydrates contain - answer✔✔Carbon, hydrogen, and oxygen
Glucose - answer✔✔A very common carbohydrate monomer that exists as a hexose (meaning it
has 6 carbons in it).
Carbohydrate monomers tend to end in - answer✔✔-ose
Carbohydrate functions in living systems - answer✔✔1. storage
2. structure
3. communication/recognition
Plants use carbohydrates in the form of - answer✔✔cellulose
chitin - answer✔✔carbohydrate used by fungi to add structure to their cell wall and by
insects/anthropods in their exoskeleton
, ©THEBRIGHTSTARS 2024
Glycoprotein - answer✔✔A protein with one or more carbohydrates covalently attached to it,
used by the human body for cellular recognition. Oligosaccharide with amino acids attached that
attaches to a cell's lipid membrane in cellular recognition; antibody, immunoglobulin
Carbohydrate stored in the liver - answer✔✔glycogen
Smallest unit of a lipid - answer✔✔fatty acid
On a molecular level, lipids contain a lot of - answer✔✔hydrogen and carbon
Lipids do not mix with water, meaning they are - answer✔✔hydrophobic
Lipids have 2 important functions - answer✔✔1. Storing energy
2. Providing structure
Adipose Tissue - answer✔✔Connective tissue in the body that stores fat.
Phospholipids - answer✔✔Used by cells, particularly in cell membranes, to provide structure
This lipid bilayer has a hydrophilic phosphate group that points towards the aqueous
environment: - answer✔✔phospholipid bilayer
Simplest unit of a protein - answer✔✔amino acid
All proteins contain - answer✔✔C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Functions of proteins in the body - answer✔✔1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Amino acids are joined by what bond? - answer✔✔Peptide
Hydrophobic proteins have a function of providing ________ & are found where? -
answer✔✔structure; keratin (hair and nails), and collagen (skin)
What is the function of membrane proteins? - answer✔✔-transport substances across the plasma
membrane as protein channels and carrier proteins
-structure
-body wide communication (immunity)
