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Leaving Certificate Biology
DNA & Protein Synthesis iQuiz
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Which of the following is not
associated with the structure of
DNA?
Guanine
Pyrimidine
Phosphate
Adenosine
The ‘t’ in tRNA stands for…
Transfer
Transcription
Translation
Transformation
Name the nitrogen containing
compound that is one of the
purine nucleotide bases of DNA
and RNA.
Cytosine
Adenine
Thymine
Ribose
The scientists that discovered the
double helix were…
Edward & Jenner
Crick & Watson
Joly & Dixon
Calvin & Krebs
During the formation of base pairs
guanine always bonds with …
Adenine
Thymine
Uracil
Cytosine
What is the method used for
separating the fragments of DNA
when getting a DNA fingerprint?
Gene pharming
Genetic screening
Gel electrophoresis
Gene linkage
The sequence of three nucleotides
in messenger RNA that codes for a
single amino acid is called a …
Triploid
Codon
Genome
Virion
What is the name of the fivecarbon monosaccharide sugar
found in the nucleotides of DNA?
Deoxyribose
Ribose
Glucose
Fructose
Tests to identify the presence or
absence of changed or harmful
genes possessed by an individual is
called …
Genetic
engineering
Genetic
screening
Gene therapy
Genetic
fingerprinting
What term is given to a
spontaneous change in the
sequence of nitrogenous bases in a
gene or a chromosome?
Mutagen
Metamorphosis
Mutation
Mutualism
What term is given to the making
of mRNA using a single strand of
DNA as a template?
Translocation
Transformation
Translation
Transcription
An enzyme that recognises specific
nucleotide sequences on DNA
molecules and cuts the DNA
strands at those sites is called …
Recombinant
enzyme
Catalase
Restriction
enzyme
Severing
enzyme
The term given to modern techniques
or processes used to artificially alter
the genetic information in the
chromosome of an organism is genetic
…
Screening
Engineering
Mutating
Fingerprinting
Name the enzyme involved in protein
synthesis which manufactures mRNA
using DNA as a template.
DNA polymerase
RNA polymerase
DNA transcriptase
RNA transcriptase
If GTA is the base sequence on a
section of DNA which of the following
is the corresponding sequence on
tRNA?
CAT
GTA
CAU
GUA
DNA & Protein Synthesis iQuiz
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