BIOS 256
Senior / 12th grade
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Examen
BIOS256 Week 3 Lab #3 Enzyme Activity Laboratory Report.pdf
Effect of Substrate Concentration on Enzyme Activity 
1. Dependent Variable: Amount of product used (glucose and fructose 
2. Independent Variable: Amount of substrate (sucrose) present 
3. Controlled Variables: Temperature, incubation time and PH 
4. Describe what is measured as an indicator of sucrase activity and why this is an 
indicator of sucrase activity. Optimal density is measured because it measure the amount 
of glucose and fructose produced 
5. Explain why denatured sucrase was used ...
Examen
BIOS256 Week 4 Lab #10 Influence of Fluid Intake on Urine Formation Laboratory Report
PopularRESULTS 
 
See Table 3: Urine Production Rate See Graph 1: Average Daily Urine Production Under Different Hydration States 
 
 
Type in the following AVERAGE urine production rate (L/day) • Normal 
 
 
 
 
• Dehydrated • Water Loaded 
 
 
 
 
 
 Normal Dehydrated Water Loaded Subject 1 1.98 0.63 7.59 Subject 2 1.96 0.62 7.18 Subject 3 1.82 0.64 7.48 Average 1.92 0.63 7.42 
 
 
1. Does dehydration increase, decrease, or not change average urine production rate
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BIOLOGY BUNDLE with Questions and Answers 2025
BIOLOGY BUNDLE with Questions and Answers 2025
Examen
BIOS256 Week 4 Lab #10 Influence of Fluid Intake on Urine Formation Laboratory Report.pdf
METHODS AND MATERIALS 
1. Dependent variable: Urine and plasma values 
2. Independent variable: fluid intake 
3. Controlled variables: age, gender and weight/ Room temperature 
4. Subjects were asked to refrain from alcohol and caffeine for a day before the start of 
the experiment. Explain why this is important. This is important as caffeine and alcohol 
could affect the outcome of the experiment especially these products could cause 
excretion of urine since they are diuretics and effect plasm...