Which of the following statements is mort correct regarding the difference between primary and secondary active transport. 1. active primary transport is a form of passive transport while secondary active transport is not. 2. energy is reqjluired for primary active transport, but not secondary active transport. 3.primary active transport moves solutes in opposite directions while secondary transport moves solutes in same direction. 4.primary active transport is driven by secondary active transport. 5. in primary active transport, the transport protein gets phosphorylated, in secondary active transport, the transport protein is not phosphorylated