wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biochemistry LO1 Recap

Total questions: 23

Worksheet time: 14mins

Name
Class
Date
1.
Amino acids all have the same general structure except for the:
a)
Amino Group
b)
Carboxyl Group
c)
'R' Group
d)
Carbonyl Group
2.
The bond that joins amino acids are called:
a)
Peptide Bonds
b)
Ester Bonds
c)
Glycosidic Linkages
d)
Phosphodiester Bonds
3.
The primary sequence of a protein refers to the:
a)
Order of amino acids
b)
α-Helix or β-Pleated Sheet
c)
Interaction of subunits
d)
Hydrogen Bonding
4.
Structures like an α-Helix are formed because of:
a)
Hydrophobic Interactions
b)
DiSulphide Bridges
c)
Salt Bridges
d)
Hydrogen Bonding
5.

The difference between tertiary and quartenary structure is:

a)

Tertiary structure has double bond whereas quartenary structure does not have double bond

b)

Tertiary structure consists of one polypeptide chain whereas quartenary structure consists of more than one polypeptide chains

c)

Tertiary structure is fibrous whereas quartenary structure is globular

d)

Tertiary structure is water-soluble whereas quartenary structure is lipid soluble

6.

Which of the following bond(s) exist in a tertiary structure?

a)

hydrophobic interaction

b)

Hydrogen bond

c)

Disulphide bond

d)

Ionic bond

7.

Which macromolecule is pictured?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

8.

the bond that connects a nitrogenous base to the pentose sugar in a nucleotide is called a

a)

N-glycosidic bond

b)

Amide bond

c)

phosphoester bond

d)

diphosphoester bond

9.

the bond that connects a nucleoside to a phosphate group to make a nucleotide is called a

a)

N-glycosidic bond

b)

Amide bond

c)

phosphoester bond

d)

diphosphoester bond

10.

the bond that connects nucleotides together to form nucleic acids is called a

a)

N-glycosidic bond

b)

Amide bond

c)

phosphoester bond

d)

phosphodiester bond

11.

Which type of RNA acts as a template, taking a copy of genetic code from the nucleus to the cytoplasm?

a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
12.

Which type of RNA carries amino acids?

a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
13.

The type of reaction for the formation of a disaccharide is

a)

hydrolysis reaction

b)

hydrogen bonding

c)

condensation reaction

d)

phosphodiester reaction

14.
The bonds linking monosaccharides into polysaccharides are called
a)
Peptide bonds
b)
Glycosidic bonds
c)
Ester bonds
15.
This is a section of which molecule?
a)
Amylopectin
b)
Amylose
c)
Cellulose
16.

The carbohydrate found in plant cell wall is _____

a)

a. Peptidoglycan

b)

b. Pectin

c)

c. Cellulose

d)

d. All of the above

17.

What type of glycosidic linkage is found in cellulose?

a)

alpha 1,4

b)

alpha 1,6

c)

beta 1,4

d)

alpha 1,6

18.
This is a section of which molecule?
a)
Amylose
b)
Amylopectin
c)
Cellulose
19.

What molecule is this?

a)

glycolipid

b)

sphingolipid

c)

phospholipid

d)

triglyceride

20.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 
a)
phospholipid 
b)
Carbohydrate
c)
Cholesterol 
d)
Protein 
21.

Which term best describes the dual hydrophobic/hydrophilic nature of phospholipids?

a)

amphipathic

b)

hydropathic

c)

hydrophobic

d)

the entire molecule is hydrophobic

22.

Sphingomyelin structure contains Sphingosine, Fatty Acids, ______,_______

a)

Choline, Phosphoric Acid

b)

Phosphorous, Chlorine

c)

Glucose, Fructose

d)

Chlorophyll, Photosynthesis

23.

What is the component of the plasma membrane that helps to minimize the effects of temperature on fluidity

a)

cholesterol

b)

phospholipids

c)

carbohydrates

d)

proteins