AP - Unit 2: Cell Communication
Authored by Christopher Freidhoff
Biology
11th - 12th Grade
NGSS covered
Used 4K+ times
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This quiz comprehensively covers AP Biology Unit 2: Cell Communication, appropriate for grades 11-12 students studying advanced placement biology. The questions systematically address the fundamental mechanisms of cellular signaling, requiring students to understand the three-step process of signal transduction (reception, transduction, and response), distinguish between different types of membrane receptors (G-protein coupled receptors, receptor tyrosine kinases, and ligand-gated ion channels), and analyze the roles of signaling molecules, second messengers, and enzyme cascades. Students must demonstrate mastery of key concepts including phosphorylation and dephosphorylation processes, signal amplification mechanisms, feedback loops (both positive and negative), and the specificity of cellular responses. The quiz also requires students to interpret visual diagrams representing different signaling pathways and identify the appropriate receptor types based on molecular structures and mechanisms. Created by Christopher Freidhoff, a Biology teacher in the US who teaches grades 11 and 12. This assessment serves as an excellent tool for reinforcing complex cellular communication concepts through targeted practice questions that mirror AP exam formatting and difficulty. Teachers can effectively use this quiz for formative assessment during unit instruction, as a comprehensive review before unit exams, or as homework to reinforce daily lessons on signal transduction pathways. The varied question types, including both conceptual understanding and diagram interpretation, make it valuable for identifying student misconceptions and areas needing additional instruction. This assessment aligns with AP Biology Learning Objectives 3.31-3.36, which focus on cell communication mechanisms, signal transduction pathways, and cellular responses to environmental changes.
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following can activate a protein by transferring a phosphate group to it?
kinase
phosphatase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A signal molecule that binds to a plasma-membrane protein is a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do second messengers do?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Signal amplification is most often achieved by
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 3 steps of signal transduction in order are
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Protein kinases activate other relay proteins by adding a(n) ____ to them.
phosphate group
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines whether a cell is a target cell for a particular signal molecule?
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