DNA: Question Preview (ID: 31213)

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The process by which the genetic code of DNA is copies into complementary sequence of RNA is called
a) translation b) replication c) transcription d) transformation
In which way does RNA differ from DNA?
a) RNA contains uracil and deoxyribose b) RNA contains ribose and thymine c) RNA contains uracil and ribose d) RNA contains adenine and ribose
A nucleotide does not contain
a) a sugar b) polymerase c) a nitrogen base d) a phosphate
A section of DNA with bases ATTCGC will line up with bases
DNA forms the code for the making of
a) proteins b) genes c) fats d) chromosomes
If a change is made when DNA copies itself, a ______________ results.
a) clone b) death c) mutation d) base
Besides the nitrogen bases, DNA contains sugar and
a) acid b) protein c) RNA d) fat
The DNA message depends on the order of the
a) nitrogen bases b) acids c) sugars d) genes
The shape of a DNA Molecule is
a) straight b) circular c) flat d) spiral
DNA makes up parts of
a) proteins b) chromosomes c) sugars d)
In messenger RNA, each codon specifies a particular
a) nucleotide b) amino acid c) replication d) phosphate
Changes in the DNA sequence that affect genetic information are known as
a) replications b) transformations c) mutations d) translations
In humans, DNA molecules are located in the
a) nucleus b) cytoplasm c) ribosome d) cell wall
The process of decoding mRNA into a polypeptide chain is known as
a) translation b) replication c) tranformation d) transcription
Which of the following does not describe the structure of DNA?
a) double helix b) nucleotide c) sugar-phosphate backbone d) adenine-uracil pairs
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