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Genetics and heredity — Question 12

QCAA 2025, Paper 1 · 1 mark

Q12 · 2025 · Paper 1Unclassified1 mark

QUESTION 12

An experiment was conducted to determine how the concentration of calcium chloride (CaCl2) affects the transformation efficiency of plasmids. Error bars show standard error.

Biology question figure

Which concentration had the greatest variation in transformation efficiency?

(A) 0.05 M

(B) 0.15 M

(C) 0.20 M

(D) 0.30 M

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