The independent variable in an experiment testing the effects an extra 20 minutes of study time has on test scores.
What is the extra study time.
100
Enzyme
What is a protein that speeds up chemical reactons
100
Enzymes are this organic compound
What are proteins
100
The range of pH
What is 0-14
100
Two things that can affect enzyme activity
What is heat and pH
200
If I add corn starch to a borax and glue solution then the slime will stretch longer. The dependent variable in this hypothesis is__________________.
What is the length of the slime.
200
Catalyst
What is a substance that speeds up chemical reactions
200
Enzymes have a specific ___________ that allows them to function in a specific way.
What is shape
200
The acidic pH range
What is 0-<7
200
Describe the effect of pH on enzyme activity
What is an increase in activity until the optimum pH is met, then a steady decrease.
300
In a lab testing the effects of cabage juice on plant growth, what is the Independent variable?
What is the cabbage juice
300
Denature
What is to change shape
300
Enzymes are _________________. They speed up chemical reactions.
What are catalysts
300
The basic pH range
What is >7-14
300
Putting food in the refrigerator helps to
a) increase enzyme activity
b) decrease enzyme activity
What is decrease enzyme activity
400
Sam conducted an experiment to see if changing his running shoes would decrease his marathon time. The dependent variable in this experiment is ________
What is his marathon time.
400
Substrate
What is a substance that an enzyme works on during a chemical reaction
400
If an enzyme becomes denatured, what happens?
it's shape changes and it can no longer function as it once did.
400
A pH of 2 is __________.
a) acidic
b) basic
What is acidic
400
Describe the effect of temperature on enzyme activity
What is a steady increase in activity until the optimum temperature is met, then a decrease in activity.
500
If I fresh pineapple is added to jello then enzyme activity will increase. The independent variable In this hypothesis is_________________
What is fresh pineapple
500
Active site
What is the location on the enzyme that binds to the substrate.
500
Substrates fit into this part on an enzyme
What is the active site
500
A ph of 12 is ___________
a) acidic
b) basic
What is basic
500
How is enzyme activity affected after denaturing.
What is the enzyme can no longer do its job so its rate of reaction decreases down to zero.