Enzymes only work with specific substrates because each enzyme:
Required
1
7.
Changes in the shape of an enzyme can affect its ability to function correctly. This loss of shape (denaturation) can occur as a result of _______________.
Required
1
8.
At about what temperature do BOTH the human enzyme and thermophilic enzyme catalyze (help the reaction go) chemical reaction (at least a little)? Hint - look at where the 2 lines overlap!
Required
1
9.
Which enzyme from the graph would most likely be found in a bacterium living in hot springs (close to the boiling point of water)?
Required
1
10.
In the lock and key model of of enzyme function shown above, what is happening in step 2?
Required
1
11.
At what temperature does this enzyme work the fastest (optimal temp.)?
Required
1
12.
Answer MCQ
Required
1
13.
Which enzyme works best (optimal pH) in an acidic environment (pH less than 7)
Required
1
14.
Which enzyme works best (optimal pH) in a neutral environment?
Required
3
15.
What happens to the enzyme when the pH increases/decreases above/below its optimal pH?
Required
3
16.
This diagram shows what happens to lactose in the small intestine with lactase present
arrow_right_alt
substrate
arrow_right_alt
products
arrow_right_alt
enzyme
Required
6
17.
Drag one of the two reactions to each of the catergories
Item 1
Item 2
Catabolic/Breaking Rx
Anabolic/Making Rx
1 substrate broken into 2 products
2 substrates bonded into 1 product
Would happen inside the small intestine/digestion
Would happen in the mammary glands of female mammals as part of the making milk for their newborns
1
18.
Which of the following is NOT correct about enzymes?
Required
5
19.
Explain why enzymes must work correctly in order for life to exist!
