AP BIO Unit 3
Biology
11th - 12th Grade
NGSS covered
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This AP Biology Unit 3 quiz comprehensively assesses students' understanding of cellular energetics, specifically focusing on enzyme function, photosynthesis, and cellular respiration. Designed for 11th and 12th grade students, the questions require mastery of complex biochemical processes including enzyme kinetics and inhibition mechanisms, the light-dependent and light-independent reactions of photosynthesis, glycolysis, the Krebs cycle, and oxidative phosphorylation. Students must demonstrate deep conceptual understanding of how enzymes lower activation energy and exhibit specificity, how energy flows through photosystems and electron transport chains, and how ATP serves as the universal energy currency. The quiz demands students analyze diagrams showing enzyme inhibition patterns, interpret graphs depicting enzyme activity under varying conditions, and trace the movement of electrons and protons through membrane-bound protein complexes. Students need to understand the spatial organization of these processes within cellular compartments and recognize how photosynthesis and cellular respiration are interconnected through shared molecules like ATP, NADH, and oxygen. Created by a Biology teacher in the US who teaches grades 11 and 12, this assessment serves as an excellent tool for evaluating student comprehension of Unit 3 concepts before the AP Biology exam. The quiz works effectively as a formative assessment to identify knowledge gaps in cellular energetics, allowing teachers to provide targeted review sessions on challenging topics like chemiosmosis or photorespiration. It functions well as homework following instruction on these biochemical pathways, giving students independent practice with the types of analytical questions they will encounter on the AP exam. Teachers can use this quiz as a warm-up activity to activate prior knowledge before diving into more advanced topics, or as a comprehensive review tool before unit exams. The visual components requiring diagram interpretation make it particularly valuable for developing the scientific reasoning skills emphasized in AP Biology standards, specifically supporting learning objectives related to energy transformation processes and enzyme regulation mechanisms outlined in the AP Biology curriculum framework.
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT true regarding enzymes.
They are made of proteins
They lower the activation energy of a reaction
They are non-specific and can bind to any substrate
The increase the rate of a reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which option best describes "A"?
Activation energy with enzyme
Activation energy without enzyme
Energy released as heat
Products produced
Tags
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The location where the enzyme and substrate bind is the...
allosteric site
inhibition site
reaction site
active site
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This image shows...
Competitive Inhibition
Enzyme denaturation
Noncompetitive Inhibition
Normal enzyme function
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This image shows...
Competitive Inhibition
Enzyme denaturation
Noncompetitive Inhibition
Normal enzyme function
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for "A"?
Allosteric site
Inhibitor
Substrate
Enzyme
Tags
NGSS.HS-LS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor related to enzyme activity is this graph most likely depicting?
Decreasing temperature
Changing pH
Increasing substrate concentration
Increasing enzyme concentration
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