DNA Replication, Protein Synthesis, and Mutations (LC 2027) (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
What is the correct order of information flow in the central dogma of molecular biology?
What is the correct order of information flow in the central dogma of molecular biology?
DNA → RNA → Protein
Where does transcription occur in eukaryotic cells?
Where does transcription occur in eukaryotic cells?
In the nucleus
What is the main function of RNA polymerase during transcription?
What is the main function of RNA polymerase during transcription?
Reads DNA & builds complementary mRNA
Which base does RNA contain instead of thymine?
Which base does RNA contain instead of thymine?
Uracil (U)
Where does translation take place?
Where does translation take place?
At ribosomes in the cytoplasm
What is a codon?
What is a codon?
A group of three bases on mRNA
What is the role of the anticodon region on tRNA?
What is the role of the anticodon region on tRNA?
Matches with complementary mRNA codon
What is the start codon for protein synthesis?
What is the start codon for protein synthesis?
AUG
What type of bond joins amino acids together during translation?
What type of bond joins amino acids together during translation?
Peptide bonds
Which of these is an example of ionising radiation that acts as a mutagen?
Which of these is an example of ionising radiation that acts as a mutagen?
X-rays
Which genetic disorder is an example of a point mutation?
Which genetic disorder is an example of a point mutation?
Cystic fibrosis
How many chromosomes do individuals with Down syndrome have?
How many chromosomes do individuals with Down syndrome have?
47