Biology Sol Review Biochemistry
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In living cells, enzymes act as catalysts, which may reduce the amount of activation energy required for a chemical reaction to occur. In the graphs below, pathway x is a solid line representing the uncatalyzed reaction. The dotted line shows the catalyzed reaction. Which graph best illustrates the changes in a reaction when the catalyst reduces the amount of energy required?
A
B
C
D
Answer explanation
Both lines begin at the same level but the catalyzed reaction shows a decrease in the activation energy...
Tags
NGSS.HS-PS1-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows the general structure of an amino acid. Which type of molecule is formed from amino acids?
lipids
proteins
carbohydrates
nucleic acids
Answer explanation
Amino Acids are the MONOMERS for building Proteins...
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What will most likely happen if an appropriate enzyme is added to a chemical reaction?
The reaction rate will increase.
The equilibrium of the reaction will be maintained.
The reaction rate will decrease.
The reaction will stop.
Answer explanation
Enzymes speed up reactions by decreasing the activation energy...
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
carbohydrates
lipids
nucleic acids
proteins
5.
DROPDOWN QUESTION
1 min • 1 pt
A steroid is an example of a (a)
Iipid
protein
carbohydrate
nucleic acid
6.
DRAG AND DROP QUESTION
1 min • 1 pt
A steroid is an example of a (a)
lipid
protein
nucleic acid
carbohydrate
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?
Enzymes function best at a specific temperature.
The body needs to be warm to prevent hypothermia.
The body is kept relatively warm to prevent too much enzyme action.
There is no connection between the two statements.
Answer explanation
Extreme pH and temperature changes denature proteins damaging the active site of enzymes...
Tags
NGSS.HS-LS1-3
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