What is the purpose of feeling the bottom of the test tube after adding hydrogen peroxide to the liver?

Enzyme Activity and Environmental Effects

Interactive Video
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Biology
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9th - 10th Grade
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Hard

Liam Anderson
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To measure the amount of hydrogen peroxide left
To see if the liver is fresh
To determine if the reaction is endothermic or exothermic
To check if the liver is cooked
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was observed when a fresh piece of liver was added to the liquid from test tube 1 in test tube 2?
A strong reaction with many bubbles
No reaction occurred
The liver dissolved completely
The liquid changed color
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the formation of bubbles in test tube 1 after adding fresh peroxide indicate?
The peroxide is expired
Catalase is reusable
Catalase is not reusable
The liver is spoiled
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does heating have on the enzyme activity in the liver?
Denatures the enzyme, reducing activity
No effect on enzyme activity
Makes the liver more reactive
Increases enzyme activity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the result of adding chilled peroxide to chilled liver?
No reaction occurred
The peroxide evaporated
A strong reaction with many bubbles
The liver turned blue
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an acidic environment affect enzyme activity in the liver?
Increases enzyme activity
Completely inhibits enzyme activity
Enhances bubble formation
No effect on enzyme activity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was observed when liver soaked in an alkaline solution was tested?
The solution turned acidic
The liver dissolved
A strong reaction with many bubbles
No reaction occurred
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