Practice Genetic Code (2.7) - Chapter 2: Genetics and Evolution - ICSE 12 Biology
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Genetic Code

Practice - Genetic Code

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a codon?

💡 Hint: Think about how messages are formed with letters.

Question 2 Easy

What does the central dogma describe?

💡 Hint: Consider the process of how genes are expressed.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do codons consist of?

One nucleotide
Two nucleotides
Three nucleotides

💡 Hint: Remember how many letters make a word.

Question 2

True or False: A mutation can never be beneficial.

True
False

💡 Hint: Think about how some changes can be good for survival.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A mutation introduces a stop codon prematurely in a coding sequence. Predict the consequences for the protein produced.

💡 Hint: Consider how incomplete proteins might affect cellular activity.

Challenge 2 Hard

How would inserting three additional nucleotides into a DNA sequence affect the genetic code?

💡 Hint: Think about how the reading frame would be impacted.

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Reference links

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