BIO 120 Grossmont College Enzymes Lab

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https://docs.google.com/document/d/1XfcSojyGiIfoVA…

Exercise 7 – ENZYMES for bio 120 

Exercise 7: Enzymes

Adapted from Exercise 7: Enzymes (SIM 7/14/20)

I. PRELIMINARY OBSERVATIONS

A. INTRODUCTION: GENERAL INFORMATION ABOUT ENZYMES (READ)

B. THE ENZYME INVERTASE: A REPRESENTATIVE FOR TODAY’S STUDIES (READ)

Answer Questions 1 & 2

C. HOW TO TELL IF INVERTASE HAS DONE ITS JOB: BENEDICT’S TEST (READ)

D. BENEDICT’S TEST – PROCEDURE

Intro to Benedict's test - materials

Watch this video on Benedict’s test while reading the manual procedure.

 Test“>Benedict’s Test

benedict's test happening with four different soultions

E. USING BENEDICT’S TEST: HOW CAN IT BE USED TO DETECT FOR PRESENCE OF MONOSACCHARIDES (REDUCING SUGARS) LIKE GLUCOSE AND FRUCTOSE?

Write down the results from Benedict’s Test in Table 1.

Answer Questions 3 & 4

benedict's test results

II. FACTORS AFFECTING ENZYME ACTIVITY

A. EXPERIMENT 1: EFFECT OF TEMPERATURE ON INVERTASE ACTIVITY

Answer Question 5

Effect of temperature on invertase activity - materials.png

Watch this video showing the effect of Temperature on Enzyme Activity while reading the procedure

Effect of Temperature on Invertase

effect of temperature - test tube set up.png

effect of temperature - results.png

Fill in Table 2, and answer Questions 6 & 7

B. EXPERIMENT 2: EFFECT OF PH ON INVERTASE ACTIVITY

Answer Questions 8 – 10

Watch this video on Effect of pH on Enzyme Activity while reading the procedure.

Effects of pH on Invertase Activity

Fill in Table 3 and answer Questions 11 – 13.

effect of pH - results.png

 

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