What are the two types of addition compounds

Evaluate this exponential expression,8. (2 + 3)2 – 42

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

What is the common name for the compound shown here? enter the common name of the compound shown?