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Senior Biology (SBI4U Mastery) (2026 Edition) | Fun Learning

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grade-12-biology-sbi4u-mastery-exam

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Q1

You're studying the structure of a triglyceride. Unlike polysaccharides, which are true polymers of monosaccharides, triglycerides are not considered polymers because their formation involves:

Q2

Your lab manual shows an enzyme with a deep groove that changes shape slightly when the substrate enters. This 'induced fit' mechanism is best described by which of the following?

Q3

You're analyzing reaction rates for an enzyme-catalyzed reaction at different substrate concentrations. At very high [substrate], the rate plateaus. Which explanation best fits your data?

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