FRQ AP BIO UNIT 4 PROGRESS CHECK
FINAL TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
>> Cell Cycle Regulation
Answer: Controlled by cyclins and CDKs
>> Cyclin D
Answer: G1 progression
>> Cyclin E
Answer: G1/S transition
>> Cyclin A
Answer: S and G2
>> Cyclin B
Answer: Mitosis
>> Wee1
Answer: Inhibitory kinase (phosphorylates CDK)
>> Cdc25
Answer: Activating phosphatase (dephosphorylates CDK)
>> CAK
Answer: CDK-activating kinase
, >> Ubiquitin Ligase
Answer: Targets cyclins for degradation
>> APC/C
Answer: Anaphase-Promoting Complex/Cyclosome
>> SCF
Answer: Ubiquitin ligase for G1 cyclins
>> DNA Damage Checkpoint
Answer: p53 induces p21 → inhibits CDK
>> p21
Answer: CDK inhibitor
>> Cancer
Answer: Uncontrolled cell division
>> Oncogene
Answer: Gain-of-function mutation
>> Tumor Suppressor
Answer: Loss-of-function mutation
>> Proto-oncogene
Answer: Normal gene that can become oncogene
>> RAS Mutation
Answer: Constitutively active
FINAL TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
>> Cell Cycle Regulation
Answer: Controlled by cyclins and CDKs
>> Cyclin D
Answer: G1 progression
>> Cyclin E
Answer: G1/S transition
>> Cyclin A
Answer: S and G2
>> Cyclin B
Answer: Mitosis
>> Wee1
Answer: Inhibitory kinase (phosphorylates CDK)
>> Cdc25
Answer: Activating phosphatase (dephosphorylates CDK)
>> CAK
Answer: CDK-activating kinase
, >> Ubiquitin Ligase
Answer: Targets cyclins for degradation
>> APC/C
Answer: Anaphase-Promoting Complex/Cyclosome
>> SCF
Answer: Ubiquitin ligase for G1 cyclins
>> DNA Damage Checkpoint
Answer: p53 induces p21 → inhibits CDK
>> p21
Answer: CDK inhibitor
>> Cancer
Answer: Uncontrolled cell division
>> Oncogene
Answer: Gain-of-function mutation
>> Tumor Suppressor
Answer: Loss-of-function mutation
>> Proto-oncogene
Answer: Normal gene that can become oncogene
>> RAS Mutation
Answer: Constitutively active