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WorksheetsAmino Acids
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
The chemical bonds between amino acids in the primary structure of proteins are
a)
Hydrogen bonds
b)
Disulfide bonds.
c)
Peptide bonds
d)
a. Hydrophilic bonds.
2.
There are 11 essential amino acids
a)
True
b)
False
3.
Amino acids are recognizable because they consist of .....
a)
a central carbon connected to an amine group (NH2) and an opposing carboxyl group (COOH), with a variable group (denoted ‘R’) making each type unique
b)
3 components – a pentose sugar, a phosphate group and a nitrogenous base
c)
a long chain of hydrocarbons that may or may not contain double bonds, and have a carboxyl group on the end
d)
primarily of C, H & O atoms in a common ratio – Cn(H₂O)n
4.
Is one nitrogen and two hydrogen atoms bonded to a carbon atom
a)
primary structure
b)
polypeptide
c)
amine group
d)
protein gel
5.
A protein molecule made from two amino acids
a)
polypeptide
b)
gluten
c)
dipeptide
d)
myoglobin
6.
Molecules with many peptide bonds
a)
dipeptide
b)
tertiary structure
c)
essential amino acid
d)
polypeptide
7.
Amino acids that must be supplied by foods in the diet
a)
essential amino acid
b)
complete protein
c)
emulsion
d)
collagen
8.
A food that contains all 8 essential amino acids
a)
globular proteins
b)
complete proteins
c)
fibrous proteins
d)
whey
9.
R Group/ side chain of the amino acid can be:
a)
Non polar group of atoms
b)
Group of atoms that include polar functional group
c)
Exhibit acid-base properties
d)
Not exhibit acid-base properties
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