What type of transport takes place when a protein allows an ion to enter a cell but no energy is needed to make this happen

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

This is a biological reaction due to a stimulus. i need this quickly !

Which of the following substances most likely dissolve in water? check all that apply •paraff