When that object is first introduced to a different environment.
uracil
Explanation:
because the rest are part of the DNA strand
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.
We can do brain scans and things that help us diagnose sickness
