AP Bio. Unit 4
Biology
11th - 12th Grade
NGSS covered
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This Advanced Placement Biology Unit 4 quiz comprehensively covers cell communication and cell cycle regulation, core topics essential for 11th and 12th grade students preparing for the AP Biology exam. The questions systematically assess students' understanding of signal transduction pathways, including the three main stages of cell signaling: reception, transduction, and response. Students must demonstrate mastery of complex molecular mechanisms such as G-protein coupled receptors, secondary messenger systems like cAMP, phosphorylation cascades, and feedback inhibition. The quiz also extensively covers cell cycle phases (G1, S, G2, and M), mitotic stages, checkpoint controls, and the critical roles of tumor suppressor genes like p53. Students need to understand how cellular communication maintains homeostasis, recognize the consequences of pathway disruptions that lead to cancer, and analyze the relationship between apoptosis and disease prevention. This quiz was created by a classroom teacher who designed it for students studying AP Biology in grades 11-12. The assessment serves multiple instructional purposes, functioning effectively as a comprehensive review before unit exams, formative assessment to gauge student understanding of complex cellular processes, or homework to reinforce laboratory observations and textbook concepts. Teachers can use individual questions as warm-up activities to activate prior knowledge about specific signaling molecules or cell cycle checkpoints, while the complete quiz provides excellent preparation for AP exam-style questions. The content directly aligns with AP Biology Learning Objectives 3.31-3.35 covering cell communication mechanisms, 3.6-3.10 addressing cell cycle regulation and cancer biology, and 3.36-3.38 focusing on programmed cell death and its significance in multicellular organisms.
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19 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of the following would NOT result in the inhibition of this pathway?
A change in the shape of the receptor
The presence of a competitive ligand
Increase in hormone concentration
Loss of second messenger production
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which part of the signaling pathway could consist of protein modification, second messenger production, amplification or a phosphorylation cascade?
Reception
Transduction
Response
All of these
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The B-adrenergic receptor is important because...
It serves as the only ligand receptor
It produces a secondary messenger
It is the ligand that activates the pathway
It is the target molecule that stimulates gene expression
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If MNK1 remained in its active state permanently, what would be the result?
c-Myc would be unable to translate growth genes
Cell growth and division will stop
The phosphorylation cascade will stop
Cell division will increase, leading to tumor formation
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When GAP is unable to release a phosphate, what result occurs?
Genes that lead to cancer are activated
Normal signaling continues
GTP is activated by GEF
Genes that lead to tumor suppression are activated
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of these explains why this pathway involves a negative feedback loop in a normal cell?
As ERK increases, it inhibits RAS, stopping transduction
As ERK increases, it increases RAS, continuing transduction
Grb2 is removed from the receptor, stopping transduction
RAS mutates, causing signal transduction to stop
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
This type of cell signaling will only be effective...
over long distances (endocrine)
when cells are in direct contact (juxtacrine)
when responding to its own ligands (autocrine)
if cells are nearby (paracrine)
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