Orange juice is a solution that contains citric acid, which gives orange juice an approximate ph of 3.5. which substance is more acidic than orange juice?

What protects the lining of the stomach from acidic gastric juices?

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

What kinds of molecules can pass through the cell membrane without any problem?