Many—if not most—protein molecules are _______: they can adopt two or more slightly different conformations, and their activity can be regulated by a shift from one to another.
举一反三
- Regardless of its strength, the binding of a protein to other biological molecules always shows great _________: each protein molecule can bind to just one or a few molecules out of the many thousands of different molecules it encounters.
- What is kinesics Give two examples of how non-verbal communication can differ from one culture to another.
- A president can serve ____ terms. A: only one B: no more than two C: more than two D: as many as four
- Electronic devices can connect to one another in different ways.
- With a credit card you can __________ money from one place to another.