Protein synthesis (Edexcel GCSE Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two main stages of protein synthesis?
What are the two main stages of protein synthesis?
Transcription and translation
Where in the cell are proteins made?
Where in the cell are proteins made?
By ribosomes in the cytoplasm
Why can't DNA move out of the nucleus?
Why can't DNA move out of the nucleus?
It is too big
How many strands does mRNA have?
How many strands does mRNA have?
One single strand
Which base does mRNA use instead of thymine?
Which base does mRNA use instead of thymine?
Uracil
What is the function of RNA polymerase?
What is the function of RNA polymerase?
Joins RNA nucleotides to make mRNA
How does mRNA leave the nucleus?
How does mRNA leave the nucleus?
Through nuclear pores
What is a codon?
What is a codon?
A set of three bases in mRNA
What does tRNA do during translation?
What does tRNA do during translation?
Carries amino acids to the ribosome
What joins amino acids together to make a polypeptide?
What joins amino acids together to make a polypeptide?
The ribosome
How many bases in DNA code for one amino acid?
How many bases in DNA code for one amino acid?
3 bases
Where must RNA polymerase bind before transcription?
Where must RNA polymerase bind before transcription?
Non-coding DNA region before a gene