Leaving Certificate BiologyDNA & 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 five-carbon 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

Geneticscreening

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

Mutating Fingerprinting

Engineering

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

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DNA & Protein Synthesis iQuiz