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WorksheetsPolypeptide quiz
Total questions: 25
Worksheet time: 21mins
polypeptide sections form beta pleats and alpha helices
primary structure
secondary structure
tertiary structure
quaternary structure
2 or more interacting polypeptide chains
primary structure
secondary structure
tertiary structure
quaternary structure
the complete 3-D structure of a polypeptide
primary structure
secondary structure
tertiary structure
quaternary structure
the number & sequence of amino acids
primary structure
secondary structure
tertiary structure
quaternary structure
This structure is:
primary structure
secondary structure
tertiary structure
quaternary structure
This structure is:
primary structure
secondary structure
tertiary structure
quaternary structure
This structure is:
primary structure
secondary structure
tertiary structure
quaternary structure
This structure is:
primary structure
secondary structure
tertiary structure
quaternary structure
Which of the following elements is not typically found in proteins?
N
O
P
C
The attraction between R groups of amino acids that result in helices, pleats, and other folding is called:
protein attraction
hydrogen bonds
peptide bonds
carbon chaining
All living organisms contain carbon atoms. Which of the following is an important characteristic of carbon?
a. carbon bonds only with carbon and only through single bonds
b. carbon atoms are highly reactive and form ionic bonds with any available atom.
c. carbon atoms can bond in the form of rings and chains with any other atom, but not with other carbon atoms.
d. carbon atoms can form very stable single, double, and triple bonds with many other kinds of atoms.
Polysaccharides, triglycerides, and polypeptides are known as polymers because:
a. they are single units
b. they contain many small repeating subunits (monomers) bonded together.
c. they are the base units used in the formation of macromolecules.
d. they all contain only ionic bonds.
Which is/are true about R groups: I. There are 20 common types III. They are the portion of the protein that determine its shape and function
II. They must contain sulfur IV. All are positively charged
I, III are correct
I, III, IV are correct
II, IV are correct
I, II, III are correct
Which of the following are examples of proteins?
a. chitin & starch
b. saturated & unsaturated fats
c. hemoglobin & antibodies
d. water & NaCl
The names of amino acids often end in:
ose
ase
ine
en
The yellow portion of this image is:
a. amino group
b. R group
c. carboxyl group
d. hydroxyl group
The portion labeled "A" (on the left) of this image is:
a. amino group
b. R group
c. carboxyl group
d. hydroxyl group
The portion labeled "B" (top, small blue box) of this image is:
a. amino group
b. R group
c. carboxyl group
d. hydroxyl group
This image is (choose all that apply):
a. the monomer of proteins
b. amino acid
c. monosaccharides
d. polypeptides
Amino acids are held together with:
hydrogen bonds
ionic bonds
peptide bonds
metallic bonds
In order to create a dipeptide, amino acids must undergo:
dehydration synthesis
hydrolysis
hydrogen campaigns
liquidification
In hydrolysis of a polypeptide, the reactants of the reaction are:
amino acids only
amino acids and water
polypeptides only
polypeptides and water
When amino acids join, which is true?
the N of one a.a. will bond with the oxygen of the next
the N of one a.a. will bond with the carbon of the next
the C of one a.a. will bond with the oxygen of the next
the H of one a.a. will bond with the nitrogen of the next
Use the following terms in complete sentences to explain how your body converts the protein of your food into the proteins of your body
Amino acids, hair, dehydration synthesis, hydrolysis, steak, protein
Choose ONE of the TWO following options. Answer in complete sentences.
Describe how the structures of proteins differ from the structures of carbohydrates.
Describe how the functions of proteins differ from the functions of carbohydrates.
