Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Enzyme & Buffer Lab
Test Description: Function of enzymes & buffers in different conditions.
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT true about enzymes?
A
Made out of carbohydrates
B
Made out of amino acids
C
Have a unique active site
D
Have ability to make or break bonds
2) How can changes in pH or temperature affect the enzymes?
A
Raise the activation energy
B
Changes in ph or temp do NOT affect enzyme function
C
Lower the activation energy
D
Change the shape and function of the enzyme
3) Enzymes can...
A
speed up reactions.
B
All the answers are correct
C
break bonds.
D
make bonds.
4) Ezymes in the stomach break down...
A
Carbohydrates
B
Acids
C
Fats
D
Protein
5) What is the name of the stage when the reactant is bound to the enzyme?
A
Simple sugars
B
Active site
C
Complex carbohydrate
D
Enzyme-substrate complex
6) How is enzyme function similar to a lock & key?
A
Enzymes are reusable
B
All answers are correct
C
Enzymes are uniquely matched to their substrate
D
Enzymes have a specific active site.
7) The primary function of buffers is to:
A
prevent dramatic changes in pH in an organisms
B
slow down reactions
C
increase the effectiveness of enzymes
D
speed up reactions
8) When adding acid to a buffer, the line on the graph will
A
stay the same
B
increase slowly
C
decrease dramatically
D
decrease slowly
9) Why are buffers important to daily life?
A
Help ensure homeostasis
B
Help organisms maintain a relatively constant pH
C
Help organisms resist changes in pH
D
All the answers are correct
10) A neutralization reaction occurs when:
A
Acids produce a salty solution
B
Hydroxide ions & hydrogen ions balance out resulting in a pH of 7
C
The aqueous solution boils
D
Acids lowers the pH of a solution
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?