Which of the following is useful for comparing gene-expression between cells types (such as healthy cells versus cancerous cells)? agarose gel electrophoresis

Southern Blot

microarray analysis

RFLP analysis

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes