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BIOD210 / BIOD 210 Module 7 (Latest Update 2025 / 2026) Genetics | Questions & Answers | Grade A | 100% Correct - Portage Learning
Question:
True or False:
The two classes of proteins that monitor the progression of the cell cycle are cyclins and cyclin-dependent kinases (CDKs).
Answer:
True
Question:
True or False:
The BAX family of proteins are proapoptotic, while the Bcl2 family of proteins are antiapoptotic.
Answer:
True 1 / 2
Question:
- Why is cyclin D expressed early and for much of the cell cycle?
- Why does cyclin B arise late in G2 and before M phase?
- Why do the levels of these cyclins differ so much during the
cell cycle?
Answer:
- Cyclin D is needed early to help make proteins for DNA replication.
- Cyclin B rises before mitosis to trigger processes like nuclear breakdown.
- Cyclins rise when needed, then degrade to let the next phase begin.
- / 2
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