Which technique could be used to determine the relative number of bases in fragments taken from a
sample of dna?
(1) electrophoresis (3) paper chromatography
(2) cloning (4) light microscopy

Which would prevent a plant from growing

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?