TEAS 7-Biology QUESTIONS WITH
CORRECT ANSWERS
Monomers - Correct Answer small molecular building blocks of polymers
Endothermic Reaction - Correct Answer A reaction that ABSORBS energy in the form of
heat
Hydrolysis - Correct 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? - Correct Answer Endothermic
reaction called dehydration
The breakdown of macromolecules is what kind of reaction? - Correct Answer
Exothermic reaction called hydrolysis
4 Types of Macromolecules - Correct Answer carbohydrates, lipids, proteins, nucleic
acids
Macromolecules are also known as - Correct Answer biopolymers
Simplest unit of a carbohydrate - Correct Answer monosaccharide
At the molecular level, carbohydrates contain - Correct Answer Carbon, hydrogen, and
oxygen
Glucose - Correct Answer A very common carbohydrate monomer that exists as a
hexose (meaning it has 6 carbons in it).
Carbohydrate monomers tend to end in - Correct Answer -ose
Carbohydrate functions in living systems - Correct Answer 1. storage
2. structure
3. communication/recognition
Plants use carbohydrates in the form of - Correct Answer cellulose
chitin - Correct Answer carbohydrate used by fungi to add structure to their cell wall and
by insects/anthropods in their exoskeleton
Glycoprotein - Correct 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 - Correct Answer glycogen
Smallest unit of a lipid - Correct Answer fatty acid
On a molecular level, lipids contain a lot of - Correct Answer hydrogen and carbon
Lipids do not mix with water, meaning they are - Correct Answer hydrophobic
Lipids have 2 important functions - Correct Answer 1. Storing energy
2. Providing structure
Adipose Tissue - Correct Answer Connective tissue in the body that stores fat.
Phospholipids - Correct 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: - Correct Answer phospholipid bilayer
Simplest unit of a protein - Correct Answer amino acid
All proteins contain - Correct Answer C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Functions of proteins in the body - Correct Answer 1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Amino acids are joined by what bond? - Correct Answer Peptide
Hydrophobic proteins have a function of providing ________ & are found where? -
Correct Answer structure; keratin (hair and nails), and collagen (skin)
What is the function of membrane proteins? - Correct Answer -transport substances
across the plasma membrane as protein channels and carrier proteins
-structure
-body wide communication (immunity)
Hydrophilic proteins in the body are known as - Correct Answer Globular proteins
Examples of globular (hydrophilic proteins) - Correct Answer 1. Enzymes
2. Antibodies
3. Hemoglobin
CORRECT ANSWERS
Monomers - Correct Answer small molecular building blocks of polymers
Endothermic Reaction - Correct Answer A reaction that ABSORBS energy in the form of
heat
Hydrolysis - Correct 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? - Correct Answer Endothermic
reaction called dehydration
The breakdown of macromolecules is what kind of reaction? - Correct Answer
Exothermic reaction called hydrolysis
4 Types of Macromolecules - Correct Answer carbohydrates, lipids, proteins, nucleic
acids
Macromolecules are also known as - Correct Answer biopolymers
Simplest unit of a carbohydrate - Correct Answer monosaccharide
At the molecular level, carbohydrates contain - Correct Answer Carbon, hydrogen, and
oxygen
Glucose - Correct Answer A very common carbohydrate monomer that exists as a
hexose (meaning it has 6 carbons in it).
Carbohydrate monomers tend to end in - Correct Answer -ose
Carbohydrate functions in living systems - Correct Answer 1. storage
2. structure
3. communication/recognition
Plants use carbohydrates in the form of - Correct Answer cellulose
chitin - Correct Answer carbohydrate used by fungi to add structure to their cell wall and
by insects/anthropods in their exoskeleton
Glycoprotein - Correct 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 - Correct Answer glycogen
Smallest unit of a lipid - Correct Answer fatty acid
On a molecular level, lipids contain a lot of - Correct Answer hydrogen and carbon
Lipids do not mix with water, meaning they are - Correct Answer hydrophobic
Lipids have 2 important functions - Correct Answer 1. Storing energy
2. Providing structure
Adipose Tissue - Correct Answer Connective tissue in the body that stores fat.
Phospholipids - Correct 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: - Correct Answer phospholipid bilayer
Simplest unit of a protein - Correct Answer amino acid
All proteins contain - Correct Answer C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Functions of proteins in the body - Correct Answer 1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Amino acids are joined by what bond? - Correct Answer Peptide
Hydrophobic proteins have a function of providing ________ & are found where? -
Correct Answer structure; keratin (hair and nails), and collagen (skin)
What is the function of membrane proteins? - Correct Answer -transport substances
across the plasma membrane as protein channels and carrier proteins
-structure
-body wide communication (immunity)
Hydrophilic proteins in the body are known as - Correct Answer Globular proteins
Examples of globular (hydrophilic proteins) - Correct Answer 1. Enzymes
2. Antibodies
3. Hemoglobin
