Grade 12 Life Sciences (Biology) (2026 Edition) | Fun Learni
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✨ Magical Challenges ✨
Can you solve these mystery puzzles?
During DNA replication, you observe that a newly synthesized strand contains a segment with the sequence 5'-AGCT-3'. What does this tell you about the original template strand, and why is this complementary base-pairing rule critical for the accuracy of replication?
A forensic scientist extracts DNA from a crime scene and finds that the ratio of adenine to thymine is 1.2:1 instead of the expected 1:1. Why would this anomaly immediately suggest that the DNA is degraded or contaminated?
During translation, the ribosome encounters a codon that does not match any tRNA anticodon. Which cellular event is most likely to occur, and why does this protect the cell from producing faulty proteins?
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