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Nucleic acids

Total questions: 79

Worksheet time: 2hrs 42mins

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
24.

Nucleic Acids are

a)

DNA and RNA

b)

Polynucleotides

c)

Polymers

d)

All of these

25.

Building blocks of nucleic acid are

a)

Nitrogen bases

b)

Nucleoside

c)

Nucleotide

d)

Amino acid

26.

Nucleotide of adenine bis called

a)

Adenine

b)

Adenosine

c)

Adenylic acid

d)

Adenine sugar

27.

Deoxyribose sugar is present in

a)

DNA only

b)

RNA only

c)

DNA and RNA

d)

t-RNA

28.

DNA consist of

a)

Phosphate

b)

Deoxyribose sugar

c)

A, T, G ,C

d)

A, U, G, C

29.

In nucleic acids, nucleotides are connected with each other by

a)

Phosphate bond

b)

Phoshpo diester bond

c)

Peptide bond

d)

Ester bond

30.

..... are examples of purine bases

a)

Adenine and Guanine

b)

Thymine and Cytosine

c)

Adenine only

d)

Guanine only

31.

Most accepted model of DNA was proposed by

a)

Watson and Crick

b)

Jacob and Monad

c)

Korenberg

d)

Frederick Mischer

32.

Protein synthesis is main function of

a)

t-RNA

b)

r-RNA

c)

m-RNA

d)

All types of RNA

33.

In eukaryotes, DNA is mainly present in

a)

Nucleus

b)

Cytoplasm

c)

Ribosome

d)

Golgi Complex

34.

Uracil is

a)

Pyrimidine

b)

Present only in RNA

c)

Pairs with Adenine

d)

All of the above

35.

Adenine pairs with

a)

Thymine only

b)

Uracil only

c)

Thymine and Uracil

d)

Guanine

36.

RNA is usually

a)

Single stranded

b)

Double stranded

c)

Triple stranded

d)

All of these

37.

Nitrogen base + sugar + phosphate forms

a)

Nucleotide

b)

Nucleoside

c)

Nitrogen base pairs

d)

Double helix

38.

This quizzes quiz is

a)

Helpful to understand the concept

b)

Entertaining

c)

Interesting

d)

Science game I would like to play

39.
Nitrogen Base not Present in DNA
a)
Adenine
b)
Guanine
c)
Thymine<br />
d)
Uracil
40.
Purine bases are
a)
Adenine
b)
Guanine
c)
Thymine<br />
d)
Cytosine
41.
Nucleoside contains
a)
Phosphate
b)
Sugar
c)
Nitrogen base
d)
Sulphate
42.
The bond between sugar & Nitrogen base is
a)
Glycosidic linkage
b)
Peptide linkage
c)
Phosphodiester linkage
d)
None
43.
Left handed helical DNA is
a)
A - DNA
b)
B - DNA
c)
Z - DNA
d)
ALL
44.
Chargaff's Rule is
a)
A=T
b)
G=C
c)
A+G=T+C
d)
ALL
45.
Who first identified DNA
a)
James Watson
b)
Friedrich Meischer
c)
Francis Crick
d)
Rosalind Franklin
e)
Mourice Wilkins
46.
The RNA which stores information for the synthesis of proteins is
a)
mRNA
b)
tRNA
c)
rRNA
d)
None
47.
Tm value is high means
a)
High GC content
b)
Low GC content
c)
No GC Content
48.
During the discovery of Structure of DNA, X-ray crystallography data was provided by
a)
James Watson
b)
Francis Crick
c)
Rosalind Franklin
d)
None
49.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
50.
What is the monomer of nucleic acids?
a)
Glycerol
b)
Monosaccharides
c)
Amino Acids
d)
Nucleotides
51.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
52.
What is the difference between DNA and RNA from the point of view of the nitrogenous bases that are present in their nucleotides?
a)
In DNA, nucleotides can be made up of A, T, C, G. In RNA, nucleotides can also contain A, C or G; however, instead of T, they contain U.
b)
Purine and Pyrimidine
c)
Pyrimidine: Thymine, Cytosine (Urical)
d)
DNA, RNA
53.
RNA contains the sugar...
a)
Deoxyribose
b)
Glucose
c)
Ribose
d)
Lipids
54.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
55.

What are 2 types of nucleic acids?

a)

Fatty Acids and Glycerol

b)

DNA and RNA

c)

Amino Acids and Enzymes

d)

Monosaccharides and Polysaccharides

56.

Which of the following is NOT part of a nucleotide?

a)

Nitrogenous Base

b)

Phosphate Group

c)

Pentose Sugar

d)

Fatty Acid

57.

What sugar is found in DNA?

a)

Glucose

b)

Ribose

c)

Deoxyribose

d)

Fructose

58.
Which of these is true about RNA?
a)
Has a double helix
b)
Has a single helix
c)
Contains thymine
59.
Which is the correct pairing?
a)
A-C
b)
A-T
c)
A-G
60.
Which is the correct pairing?
a)
T-C
b)
G-T
c)
G-C
61.
Adenine, Thymine, Guanine and Cytosine are what?
a)
Phosphates
b)
Sugars
c)
Nucleotides
d)
Bases
62.
What kind of bond holds the two strands of DNA together?
a)
Hydrogen bonds
b)
Ionic bonds
c)
Polar bonds
d)
Covalent bonds
63.

What is the shape of DNA?

a)

Double Hyperbola

b)

Paraolic

c)

Double Helix

d)

Linear

64.
What is the monomer of nucleic acids?
a)
Glycerol
b)
Monosaccharides
c)
Amino Acids
d)
Nucleotides
65.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
66.
RNA contains the sugar...
a)
Deoxyribose
b)
Glucose
c)
Ribose
d)
Lipids
67.
Which of the following elements does a Nucleic Acid have that a Carbohydrate and Lipid do not?
a)
Carbon
b)
Oxygen
c)
Hydrogen
d)
Nitrogen
68.
From the nucleotide on the right, which part is labeled 2?
a)
Sugar
b)
Phosphate
c)
Nitrogenous Base
d)
Phosphorous
69.
What pentose sugar does DNA use?
a)
Ribose
b)
Sucrose
c)
Amylose
d)
Deoxyribose
70.
Guanine is complementary to what other nitrogenous base?
a)
Cytosine
b)
Adenine
c)
Thymine
d)
Uracil
71.
Complementary Bases are held together by what type of bond?
a)
Covalent
b)
Hydrogen
c)
Ionic
d)
Mettalic
72.
If one series of bases reads: TTGACTAGG, then the complementary set of bases would read:
a)
TTGACTAGG
b)
AACTGATCC
c)
AATCGAACTT
d)
AAGTCATCC
73.
The backbone of DNA is made up of _______ & ________ units. 
a)
sugar & base
b)
sugar & phosphate
c)
base & phosphate
d)
phosphate & phosphate
74.

The repeating units in both DNA and RNA are called

a)

hydrogen bonds

b)

nucleic acids

c)

nucleotides

d)

amino acids

75.

What nucleotide base does RNA contain that DNA does not?

a)

adenine (A)

b)

cytosine (C)

c)

uracil (U)

d)

thymine (T)

76.
Adenine, Thymine, Guanine and Cytosine are what?
a)
Phosphates
b)
Sugars
c)
Nucleotides
d)
Bases
77.
Which nucleic acid only exists in the nucleus?
a)
mRNA
b)
DNA
c)
tRNA
d)
rRNA
78.

Which base is only found in RNA?

a)

Uracil

b)

Thymine

c)

Adenine

d)

Guanine

79.

What is A?

a)

Phosphate Group

b)

Pentose Sugar

c)

Nitrogenous Base

d)

Adenosine Triphosphate

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