Answer:
D. Cyclin
Explanation:
Cyclins drive the events of the cell cycle by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks). A lone Cdk is inactive, but the binding of a cyclin activates it, making it a functional enzyme and allowing it to modify target proteins.
Answer:
The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.
Explanation:
Most definitely c choose c actually no
Answer:
No, not according to any sciences (unless you mean aliens as in immigrants)
Explanation:
The products of anaerobic respiration are lactic acid, carbon dioxide, and water.
