I need help, I'm scared of failing chemistry and I have nowhere else to go for help. Here are the problems that I need solved. https://paste. pics/FAJCM
https://paste. pics/FAJD2
https://paste. pics/FAJE2
For the first 2 please put the answers as Na+1-(answer)=N-3 so that I know which questions the answers are for. And thank you to whoever answers this because you're a life saver.

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

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

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by