Cell membranes help organisms maintain homeostasis by controlling what substances may enter or leave cells
Why did the United States introduce the Marshall Plan in the post-war era? to stabilize Europe and support democratic governments
I know the method that will help you to do it by yourself. Try to search a soft that builds diagrams online. By the first link you will get the soft you need. Or use excel to build it. Just enter meanings to a columns and then use Excel's tools to build any kind of diagrams.
Mechanical energy is the answer
DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell 's activities, while RNA converts that code into proteins to carry out cellular functions.
