WorksheetsNucleic Acids
Total questions: 11
Worksheet time: 7mins
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.
Which of the structures shown is an impossible covalently bonded molecule?
a)
A
b)
B
c)
C
d)
D
4.
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.
5.
How many atoms can a Carbon atom potentially bind to?
a)
1
b)
2
c)
3
d)
4
6.
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
7.
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
8.
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
9.
What Group does this photo represent?
a)
Carbonyl
b)
Phosphate
c)
Sulfyhydryl
d)
Carboxyl
10.
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
11.
Which of the following is not true concerning the differences between RNA and DNA?
a)
RNA contains pyrimidines while DNA contains purines.
b)
The sugar in DNA contains one less oxygen than the sugar in RNA.
c)
DNA forms a double helix while RNA is able to fold in on itself.
d)
RNA is thought to have evolved before DNA.
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