What is the process of molecules spreading from an area of high concentration to low concentration?

How are gene and protein sequences used to classify organisms?

How are organisms in the domain eukarya different from those in the domain archaea? o a. eukaryotes have a cell wall. o b. eukaryotes have mitochondria. o c. eukaryotes have more than one cell. o d. eukaryotes have dna. submit

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.