Its only to upward an downward I believe
Chargaff's rules state that DNA from any cell of all organisms should have a 1:1 ratio of pyrimidine and purine bases and, more specifically, that the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine .
Answer:
Proteins are the molecules that are responsible for the movement of molecules.
Explanation:
Cell membrane is a barrier around each cell that provides them a shape and also control the movement of molecules coming in or out. This movement of molecules is called membrane transport. The call membrane is composed of phopholipids bilayer and proteins are embedded in this bilayer. These proteins function as receptors for specific molecules or ions and transfer them inside or outside of cell.
I think the answer is is protist
The answer is A. A human has 46 chromosomes, 23 from the mom and 23 from the dad. Each are equal from parent to parent.