One way is that Igneous rock could erode and become sediment and deposited and slowly change into sedimentary rock, then get pushed down deep into the crust and changed by heat and pressure into metamorphic rock.
DNA and RNA both produce proteins, but RNA copies itself and moves out of the nucleus while DNA stays inside the nucleus and produces proteins. Also DNA helps more in cell division, while RNA helps in making proteins.
Pedigree analysis helps in determining the mode of transmission of a particular inherited trait within a family tree. Usually large extended family.
Antibiotics can do more harm than good when it comes to the flu.
