Chicken Liver and Enzyme Ačtion Liver Condition Rate of fizzing whole 9. two pieces 11 pulverized 14 Based on the students' experiments, what conclusion can be drawn? A) Mechanical digestion has no bearing on the chemical digestion of food. Chemical digestion, in this case, enzyme activity, is aided by mechanical digestion. B) Chemical digestion occurs at the same raté regardless of the condition of the chicken liver. The blending represents mechanical digestion and the enzyme activity represents chemical digestion. D)

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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3)
Catalase Experiment
Food
Rate of fizzing (1-10)
Boiled potato
Raw potato
Cooked liver
1
Raw liver
10
Students conducted an experiment to check the rate of enzyme action on different types of food. The table
shows the results of an experiment in which students placed hydrogen peroxide on several food samples and
recorded the relative amount of fizz that each produced. The fizz was produced by oxygen bubbles released by
the action of the enzyme catalase, which is found in almost every living cell.
The students conducted a second experiment, using the raw chicken liver from the previous experiment. They
modified the chicken liver and used: one whole piece, one piece cut into two, a piece that they pulverized in a blender.
ALl the Livers were the same mass. The liver was placed in test tubes and hydrogen peroxide was then added to each.
Here are the results:
Chicken Liver and Enzyme Action
Liver Condition Rate of fizzing
whole
9
two pieces
11
pulverized
14
Based on the students' experiments, what conclusion can be drawn?
A)
Mechanical digestion has no bearing on the chemical digestion of food.
Chemical digestion, in this case, enzyme activity, is aided by mechanical
digestion.
B)
Chemical digestion occurs at the same rate régardless of the condition of
the chicken liver.
C)
The blending represents mechanical digestion and the enzyme activity
represents chemical digestion.
D)
Transcribed Image Text:3) Catalase Experiment Food Rate of fizzing (1-10) Boiled potato Raw potato Cooked liver 1 Raw liver 10 Students conducted an experiment to check the rate of enzyme action on different types of food. The table shows the results of an experiment in which students placed hydrogen peroxide on several food samples and recorded the relative amount of fizz that each produced. The fizz was produced by oxygen bubbles released by the action of the enzyme catalase, which is found in almost every living cell. The students conducted a second experiment, using the raw chicken liver from the previous experiment. They modified the chicken liver and used: one whole piece, one piece cut into two, a piece that they pulverized in a blender. ALl the Livers were the same mass. The liver was placed in test tubes and hydrogen peroxide was then added to each. Here are the results: Chicken Liver and Enzyme Action Liver Condition Rate of fizzing whole 9 two pieces 11 pulverized 14 Based on the students' experiments, what conclusion can be drawn? A) Mechanical digestion has no bearing on the chemical digestion of food. Chemical digestion, in this case, enzyme activity, is aided by mechanical digestion. B) Chemical digestion occurs at the same rate régardless of the condition of the chicken liver. C) The blending represents mechanical digestion and the enzyme activity represents chemical digestion. D)
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