The sum of all the chemical reactions in an organism is called_______
Required
1 point
1
Question 2
2.
All chemical reactions require_______ _______in order for the reaction to begin
Required
1 point
1
Question 3
3.
This energy graph shows a_______ reaction
Required
1 point
1
Question 4
4.
This energy graph shows a_______ reaction
Required
1 point
1
Question 5
5.
Once an ATP molecule is used to release energy (ATP --> ADP + P + ENERGY), that ATP molecule is used up and can never be used again
Required
1 point
1
Question 6
6.
Why would sucrose not get broken down (hydrolysis) into glucose and fructose by the enzyme lactase?
Required
4 points
4
Question 7
7.
Put the steps of this enzyme reaction in order from first to last ....
Required
1 point
1
Question 8
8.
What point on the graph represents the activation energy?
Required
1 point
1
Question 9
9.
Which has more stored energy in this energy graph of an exothermic reaction?
Required
1 point
1
Question 10
10.
In the lock and key model of of enzyme function shown above, what is happening in step 3?
Required
3 points
3
Question 11
11.
This diagram shows what happens to lactose in the small intestine with lactase present
Draggable item
arrow_right_alt
Corresponding Item
lactose
arrow_right_alt
substrate
glucose + galactose
arrow_right_alt
products
lactase
arrow_right_alt
enzyme
Required
6 points
6
Question 12
12.
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
Required
2 points
2
Question 13
13.
On the graph below, sketch the rate of reaction graph for an enzyme-catalyzed reaction, where the optimal pH is 8
Required
4 points
4
Question 14
14.
on the graph skeleton below, draw a LINE that shows an endothermic reaction WITHOUT an enzyme and then a SECOND LINE that shows the reactions WITH an enzyme. YOU NEED TO DRAW 2 LINES - USE 2 DIFFERENT COLORS OR MAKE ONE SOLID AND ONE DASHED and then LABEL one line "with enzyme" and the other line "without enzyme"
Required
5 points
5
Question 15
15.
Explain HOW enzymes catalyze chemical reactions and then explain WHY enzymes are needed to catalyze chemical reactions in order for an organism to be alive
Required
5 points
5
Question 16
16.
Explain WHAT would happen to the rate of reaction of lipase if it was put into an environment with a pH of 2 (like where pepsin works in the stomach? Then explain WHY that would happen?