WorksheetsDNA Complexity
Total questions: 25
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
4.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
5.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
6.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
7.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
8.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
9.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
10.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
11.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
12.
Which series is arranged in order from largest to smallest in size?
a)
gene, chromosome, nucleus, cell, DNA, nucleotide
b)
cell, nucleus, chromosome, DNA, gene, nucleotide
c)
nucleotide, chromosome, cell, DNA, nucleus
d)
cell, DNA, gene, nucleotide, nucleus, chromosome
13.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
14.
The letters of the DNA alphabet are:
a)
A, C, G and T
b)
A, O, G, and T
c)
C, G, P and T
d)
C, G, T and D
15.
In the DNA alphabet, T always pairs with:
a)
A
b)
T
c)
G
d)
C
16.
In the DNA alphabet, C always pairs with:
a)
A
b)
C
c)
T
d)
G
17.
The FULL NAME of the letter A from the DNA alphabet is:
a)
Adenine
b)
Albertine
c)
Augmentium
d)
Arginine
18.
The FULL NAME of the letter G from the DNA alphabet is:
a)
Guavine
b)
Grapine
c)
Glycine
d)
Guanine
19.
The FULL NAME of the letter T from the DNA alphabet is:
a)
Thymine
b)
Tyrosine
c)
Tryptophan
d)
Tellurium
20.
The FULL NAME of the letter C from the DNA alphabet is:
a)
Cytosine
b)
Cysteine
c)
Cryosine
d)
Calypsine
21.
If one strand of DNA says GCT, the other strand says:
a)
GCT
b)
CTA
c)
CGA
d)
TCG
22.
A nucleotide is the building block of:
a)
DNA
b)
Protein
c)
Cell membranes
d)
Mitochondria
23.
Which one of the following nucleotide pair bonds would be found in a DNA molecule?
a)
adenine-guanine
b)
guanine-cytosine
c)
adenine-cytosine
d)
cytosine-uracil
24.
Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?
ATG TGA CAG?
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
25.
a molecule that is present in all living cell and contains the information that determines the traits that a living thing inherits and needs to live
a)
DNA
b)
nucleotide
c)
RNA
d)
mutation
100 %
