How many codons of the genetic code are used for coding amino acids?

Explain nonnuclear inheritance. ~ ap biology

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity