AP Biology: Unit 4 Review (CED)
Authored by Tiffany Jones
Biology
9th - 12th Grade
NGSS covered
Used 7K+ times
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This quiz comprehensively covers Unit 4 of AP Biology, focusing on cell communication and the cell cycle. The content is designed for grade 11-12 students and requires mastery of complex molecular processes including signal transduction pathways, feedback mechanisms, and cellular division. Students need a deep understanding of how cells receive, process, and respond to signals through reception, transduction, and response phases, including the roles of ligands, receptors, secondary messengers, and phosphorylation cascades. The quiz also demands knowledge of positive and negative feedback mechanisms in maintaining homeostasis, as well as detailed comprehension of the cell cycle phases (G₁, S, G₂, and M), mitotic stages (prophase, metaphase, anaphase, telophase), and the critical checkpoints that regulate cell division. Students must understand the molecular machinery controlling these processes, including cyclin-CDK interactions, and be able to analyze the consequences of mutations in signaling pathways. Created by Tiffany Jones, a Biology teacher in the US who teaches grades 9-12. This assessment serves as an excellent review tool for students preparing for the AP Biology exam, specifically targeting the College Board's Unit 4 curriculum requirements. The quiz functions effectively as a formative assessment to gauge student understanding before the AP exam, as a review session following instruction on cellular processes, or as targeted practice for students who need reinforcement in these challenging concepts. Teachers can utilize this as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom learning, or implement it as a diagnostic tool to identify areas requiring additional instruction. The questions align with AP Biology Learning Objectives 3.31-3.35 (signal transduction) and 3.6-3.13 (cell cycle and regulation), supporting the College Board's emphasis on understanding cellular communication and division at the molecular level.
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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the three parts of signal transduction pathway?
reception, transduction, response
confirmation, transduction, transcription
reception, amplification, transcription
confirmation, amplification, response
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Transduction step traditionally amplifies the signal, which of the following are NOT involved with transduction?
secondary messengers
protein modification
phosphorylation cascade
ligands
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is NOT a response by the cell from a signal transduction pathway?
cell growth
gene expression
secretion of molecules
all of the above are responses
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Describe what occurs when the ligand binds to the receptor.
confirmation change in shape of receptor
phosphorylation of ligand
ligand passes through the membrane
receptor binds additional ligands
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Describe the impact of a mutation in any domain of the protein components of the transduction signaling pathway.
receptor unable to bind to ligand
no changes in transduction due to initial signal transduction from ligand
alters response of the cell
amplification of signaling pathway to bind more ligands
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which feedback mechanism involves homeostasis of a particular condition by regulating physiological processes?
Positive Feedback
Negative Feedback
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which feedback mechanism involves amplifying responses and processes in biological organisms?
Positive Feedback
Negative Feedback
Tags
NGSS.HS-LS1-3
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