Functions (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do DNA and RNA together form in living organisms?
What do DNA and RNA together form in living organisms?
The molecular basis of all life
What does each gene in DNA contain instructions for?
What does each gene in DNA contain instructions for?
Making a specific protein
What is the process called when DNA makes exact copies of itself?
What is the process called when DNA makes exact copies of itself?
DNA replication
During cell division, how many copies of each chromosome are created?
During cell division, how many copies of each chromosome are created?
Two identical copies
What is gene expression?
What is gene expression?
The process by which a gene produces a specific protein
What is the correct sequence of the central dogma?
What is the correct sequence of the central dogma?
DNA → RNA → protein
What is RNA's primary function in the cell?
What is RNA's primary function in the cell?
Transport genetic information from DNA to ribosomes
Where does DNA remain and where can RNA move to?
Where does DNA remain and where can RNA move to?
DNA in nucleus; RNA to cytoplasm
Where are ribosomes located and what do they do?
Where are ribosomes located and what do they do?
Cytoplasm; read RNA and make proteins
What is a codon?
What is a codon?
Group of three bases
How many possible codon combinations exist?
How many possible codon combinations exist?
64
What do start and stop codons do?
What do start and stop codons do?
Mark beginning and end of a gene