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Mathematics AA, Paper 2, Question 6
- Step 1Read what the command term asks
- Step 2Set up the equation
- Step 3Check units and marks
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Why enzymes denature
High temperatures break the bonds holding an enzyme in shape. Its active site changes shape, so the substrate no longer fits.
Common mistake: enzymes are not killed, because they were never alive.
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- Question 4
- Physics
- SL
- Paper 1
A ball is thrown straight up and air resistance is negligible. Which statement is correct?
- AKinetic energy stays constant all the way up
- BAcceleration is zero at the highest point
- CVelocity is zero at the highest point Correct
- DThe resultant force acts upwards
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