LANE A IS A DNA LADDER. WHAT IS THE PURPOSE OF
A LADDER ON A GEL?

How are gene and protein sequences used to classify organisms?

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time