Please I need help with this question.​

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

Which of the following describes a situation where competition between producers exists

What are the constituent metals of stainless steel?