UMKC CELL BIOLOGY 202 EXAM
WITH 100% CORRECT ANSWERS
2026
What elements make up 99% of the cell? correct answer
C,N,H,O
What elements make up 0.9% of the cell? correct answer Na,
Mg, P, S, Cl, K, and Ca
What element is the "backbone of life" correct answer Carbon
What are the four main classes of macromolecules? correct
answer 1. Polysaccharides (Carbohydrates)
2. Nucleic Acids
3. Proteins
4. Lipids
What are structural types of polysaccharides? correct answer
branched and linear
How many structure types do nucleic acids have? correct answer
two
How many structures do proteins have? correct answer 1
,How many structures do polysaccharides have? correct answer
2
What is a polymer? correct answer chain of same or similar
molecules
what is an oligopeptide? correct answer a relatively small
peptide, up to about twenty residues, di-tri-and tetrapeptide cell
to cell signals
ex: substance P
What is a polypeptide? correct answer long chain of amino
acids, 30 or more amino acids
Proteins synthesized in the ____ specifically the ____ correct
answer cytoplasm, ribosome
Protein synthesized must be _____ when newly synthesized and
must be _______ to be functional correct answer unfolded,
folded
How many traits do proteins have? correct answer 3
what are the protein traits? correct answer Trait 1. all proteins
must adopt at least two stable 3-D shapes or conformations
Trait 2. all proteins must bind to at least one molecular target
Trait 3. all proteins perform at least one cellular function
, Every amino acid has a ___ and ___ ____
Every amino acid also has a _________ and a ______ correct
answer N and C terminus
Also has a core alpha carbon and a side group (R2)
Amino acids are NOT _____ correct answer symmetrical
Protein backbone, like all biopolymers has a _______ correct
answer polarity
Which terminus is on the left? Which is on the right? correct
answer N terminus on the left, C on the right
N->->->->->->->-> C
what are the 5 classes of amino acids based on chemistry of side
group? Give examples of each. correct answer Nonpolar side
group- Methionine
Aromatic side group- Phenylalanine
Polar side group- Threonine
Pos charged side group- Lysine
Neg charged side group- Glutamate
What are the 4 levels of protein structure? correct answer
primary, secondary, tertiary, quaternary
WITH 100% CORRECT ANSWERS
2026
What elements make up 99% of the cell? correct answer
C,N,H,O
What elements make up 0.9% of the cell? correct answer Na,
Mg, P, S, Cl, K, and Ca
What element is the "backbone of life" correct answer Carbon
What are the four main classes of macromolecules? correct
answer 1. Polysaccharides (Carbohydrates)
2. Nucleic Acids
3. Proteins
4. Lipids
What are structural types of polysaccharides? correct answer
branched and linear
How many structure types do nucleic acids have? correct answer
two
How many structures do proteins have? correct answer 1
,How many structures do polysaccharides have? correct answer
2
What is a polymer? correct answer chain of same or similar
molecules
what is an oligopeptide? correct answer a relatively small
peptide, up to about twenty residues, di-tri-and tetrapeptide cell
to cell signals
ex: substance P
What is a polypeptide? correct answer long chain of amino
acids, 30 or more amino acids
Proteins synthesized in the ____ specifically the ____ correct
answer cytoplasm, ribosome
Protein synthesized must be _____ when newly synthesized and
must be _______ to be functional correct answer unfolded,
folded
How many traits do proteins have? correct answer 3
what are the protein traits? correct answer Trait 1. all proteins
must adopt at least two stable 3-D shapes or conformations
Trait 2. all proteins must bind to at least one molecular target
Trait 3. all proteins perform at least one cellular function
, Every amino acid has a ___ and ___ ____
Every amino acid also has a _________ and a ______ correct
answer N and C terminus
Also has a core alpha carbon and a side group (R2)
Amino acids are NOT _____ correct answer symmetrical
Protein backbone, like all biopolymers has a _______ correct
answer polarity
Which terminus is on the left? Which is on the right? correct
answer N terminus on the left, C on the right
N->->->->->->->-> C
what are the 5 classes of amino acids based on chemistry of side
group? Give examples of each. correct answer Nonpolar side
group- Methionine
Aromatic side group- Phenylalanine
Polar side group- Threonine
Pos charged side group- Lysine
Neg charged side group- Glutamate
What are the 4 levels of protein structure? correct answer
primary, secondary, tertiary, quaternary
