enzyme graphs
Authored by Ayesha Denny
Biology
9th Grade
NGSS covered
Used 184+ times
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About
This quiz focuses on enzyme structure, function, and factors affecting enzyme activity, making it ideal for 9th grade biology students studying biochemistry and cellular processes. The questions assess students' understanding of enzyme composition as proteins, their sensitivity to environmental conditions like temperature and pH, and their role in lowering activation energy for biochemical reactions. Students need to demonstrate proficiency in interpreting scientific graphs, identifying optimal conditions for enzyme function, understanding the relationship between enzyme structure and activity, and recognizing how enzymes facilitate chemical reactions by reducing activation energy barriers. The quiz requires students to analyze data trends, draw conclusions from experimental results, and apply knowledge of enzyme-substrate interactions to predict outcomes under varying conditions. Created by Ayesha Denny, a Biology teacher in US who teaches grade 9. This assessment serves as an excellent tool for formative evaluation of student understanding before advancing to more complex topics in cellular respiration and metabolism. Teachers can deploy this quiz as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom learning, or use it for review sessions before unit examinations. The graph interpretation questions particularly strengthen students' scientific literacy skills while building confidence in data analysis. This quiz effectively supports instruction by providing immediate feedback on student comprehension of enzyme kinetics and optimal conditions for biological processes. The content aligns with NGSS standards HS-LS1-6 (construct and revise an explanation based on evidence for how carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids) and supports Common Core mathematical practices in interpreting data and constructing explanations from scientific evidence.
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Most enzymes are composed of .....
Lipids
Carbohydrates
Proteins
Nucleic Acids
Tags
NGSS.HS-LS1-6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following conclusions can be drawn from this graph?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the graph, what is the optimal temperature for this enzyme?
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Letter D...
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an experiment to investigate the effect of temperature on the activity of a digestive enzyme X, the time taken for the digestion of a fixed amount of substrate by this enzyme was recorded. Which of the following graphs shows the most likely results of the experiment?
A
B
C
D
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graphs show the reaction rate for an enzyme across a range of temperatures and pH.
Based on these data, this enzyme functions best as what temperature and pH?
Temperature of 27oC and a pH of 4
Temperature of 37oC and a pH of 6
Temperature of 40oC and a pH of 8
Temperature of 50oC and a pH of 10
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student measured the time required for a protein sample to be completely digested in the presence of an enzyme under different pH levels. At which pH is the enzyme most active?
7.1
6.9
6.8
7.2
Tags
NGSS.HS-PS1-5
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