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DNA
Test Description: Chapter test on DNA
Instructions: Answer all questions to get your test result.
1) The shape of a DNA Molecule is
A
spiral
B
straight
C
circular
D
flat
2) DNA makes up parts of
A
sugars
B
chromosomes
C
proteins
3) The DNA message depends on the order of the
A
genes
B
acids
C
nitrogen bases
D
sugars
4) Besides the nitrogen bases, DNA contains sugar and
A
acid
B
RNA
C
fat
D
protein
5) DNA forms the code for the making of
A
proteins
B
chromosomes
C
genes
D
fats
6) If a change is made when DNA copies itself, a ______________ results.
A
mutation
B
base
C
clone
D
death
7) A section of DNA with bases ATTCGC will line up with bases
A
TAAGCC
B
TAAGCG
C
TAAGGC
D
ATTCGC
8) A nucleotide does not contain
A
a phosphate
B
a sugar
C
a nitrogen base
D
polymerase
9) In which way does RNA differ from DNA?
A
RNA contains uracil and deoxyribose
B
RNA contains ribose and thymine
C
RNA contains adenine and ribose
D
RNA contains uracil and ribose
10) The process by which the genetic code of DNA is copies into complementary sequence of RNA is called
A
transcription
B
translation
C
replication
D
transformation
11) In messenger RNA, each codon specifies a particular
A
nucleotide
B
amino acid
C
phosphate
D
replication
12) Changes in the DNA sequence that affect genetic information are known as
A
transformations
B
mutations
C
replications
D
translations
13) In humans, DNA molecules are located in the
A
cell wall
B
nucleus
C
cytoplasm
D
ribosome
14) The process of decoding mRNA into a polypeptide chain is known as
A
translation
B
replication
C
transcription
D
tranformation
15) Which of the following does not describe the structure of DNA?
A
double helix
B
sugar-phosphate backbone
C
adenine-uracil pairs
D
nucleotide
*select an answer for all questions
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