What are the functions of a cyclin during the cell cycle ? 1. Activate a CDK 2. Direct a CDK to its targets. 3. Inhibit a CDK. 4. Control CDK activity through phosphorylation of the cyclin. 5. Control CDK activity through destruction of the cyclin.

Talking listening and reacting non verbally are all part of communicating

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

There are only about 250,000 known fossil species. true or false