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purines, pyrimidines and nucleic acids

Total questions: 23

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
2.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
3.
The two strands making up the DNA double helix molecule
a)
contain ribose and deoxyribose in opposite strands.
b)
are held together by hydrogen bonds.
c)
are attached through a phosphate to hold the strands together.
d)
contain uracil but not thymine.
4.
How many atoms can a Carbon atom potentially bind to?
a)
1
b)
2
c)
3
d)
4
5.
The monomer, building block, of DNA and RNA; made up of a sugar, phosphate, and nitrogenous base
a)
Amino Acid
b)
Fatty Acid
c)
Nucleotide
d)
Monosaccharide
6.
Which of the following elements make up nucleic acids?
a)
C, H, O
b)
C, H, O, N
c)
C, H, O, N, P
d)
C, H, O, Ca, S
7.
The three elements that make up most of all 4 types of macromolecules
a)
Water, Oxygen, & Hydrogen
b)
Carbon, Hydrogen, & Oxygen
c)
Nitrogen, Hydrogen, & Oxygen
d)
Nitrogen, Phosphorus, & Sulfur
8.
What Group does this photo represent?
a)
Carbonyl
b)
Phosphate
c)
Sulfyhydryl
d)
Carboxyl
9.
DNA and RNA are composed of several nucleotide monomers bonded together. Where does this bond occur between two nucleotides?
a)
Between the sugar and the phosphate
b)
Between adjacent nitrogenous bases
c)
Between the sugar and the neighboring nitrogenous base
d)
Between the phosphate and the neighboring nitrogenous base
10.

What is the monomer of Proteins?

a)

Nucleotides

b)

Amino Acid

c)

Fatty Acids

d)

Monosaccharides

11.

What is the monomer of Nucleic acids?

a)

Monosaccharides

b)

Fatty Acids

c)

Nucleotides

d)

Amino Acid

12.

Which bond is present between two amino acids?

a)

Glycosidic Bond

b)

Phosphodiester bond

c)

Ester Bond

d)

Peptide Bond

13.

Which bond is present in the sugar and phosphate group in a nucleotide?

a)

Phosphodiester bond

b)

Peptide Bond

c)

Ester Bond

d)

Glycosidic Bond

14.

Which of the following nitrogenous bases are present ONLY in an RNA molecule?

a)

Adenine, Guanine, Cytosine, Thymine

b)

Adenine, Guanine, Cytosine, Ribose

c)

Adenine, Guanine, Cytosine, Uracil

d)

Adenine, Guanine, Cytosine, Deoxyribose

15.

What type of bond links two nitrogenous bases?

a)

Peptide bond

b)

Hydrogen Bond

c)

Covalent Bond

d)

Glycosidic Bond

16.

Nitrogen Bases for DNA:

a)

Adenine, Guanine, Cytosine, and Uracil

b)

Adenine, Guanine, Cytosine, and Phosphate

c)

Adenine, Guanine, Cytosine, and Thymine

d)

Adenine, Guanine, Cytosine, and Sulfur

17.

Purines:

a)

Double ringed structures

b)

Single ringed structures

18.

Pyrimidines:

a)

Double ringed structure

b)

Single ringed structure

19.

Sides or backbones of DNA molecules are made up of?

a)

Alternating sugars-phosphates

b)

Nitrogen and Phosphate

c)

Alternating sugar-sulfur

d)

Carbon and Hydrogen

20.
The end result of amino acids joining together in translation is a....
a)
polysaccharide
b)
protein
c)
DNA
d)
RNA
21.
 Which of these is not found in DNA?
a)
adenine
b)
thymine
c)
phosphate
d)
ribose
22.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
23.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids

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