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