logo

Cambridge IGCSE Biology practice

Paper 4 structured question: Chromosomes, genes and proteins

Try the question first, then check the answer and practise the same topic again.

At a glance

4

Paper

1

Marks

Topic

Chromosomes, genes and proteins

Exam-style question

Try this first

Paper 4Theory (Extended)1 marks

Gene base order and protein synthesis

Description

Gene base order

A gene is a sequence of bases that codes for a protein. The order of these bases determines the order of amino acids in the protein.

  1. a

    State what determines the order of amino acids in a protein.

    Aim for approximately 1 distinct marking point.

    [1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 4 structured question: Chromosomes, genes and proteins

Paper 4Theory (Extended)2 marks

Description

Gene base order

A gene is a sequence of bases that codes for a protein. The order of these bases determines the order of amino acids in the protein.

  1. a

    Identify why detailed knowledge of nucleotide structure is not necessary to understand how genes code for proteins.

    Aim for approximately 2 distinct marking points.

    [2]