What sort of bond forms a disaccharide?

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How can the temperature coefficient be measured? What is the rough Q10 value of most enzyme-controlled reactions? What is meant by an optimum pH value? What would the optimum pH value of pepsin most likely be? What factors make substrate molecules more likely to collide with enzymes in solution? How does enzyme concentration affect the rate of reaction? How does substrate concentration affect the rate of reaction? How does the rate of reaction change over time when substrate concentration decreases? How can the effects of temperature, pH, enzyme/substrate concentration be investigated experimentally? What is meant by an independent variable? What is meant by a dependent variable? What does it mean if an enzyme is denatured? Explain why increasing the concentration of an enzyme does not always increase the rate of reaction. Explain the effect of increasing substrate concentration on the rate of an enzyme-catalysed reaction. 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