The answer is letter A.
<span>Organelles and other cellular material are held within a cell by a cellular membrane. These membranes are what consist of a cell's exterior.
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I would go with lipids:) hope it helps
Dominant letters are (BB)
Recessive letters are (bb)
A BIOME is a major ecosystem spread over a wide geographic area, and characterized by certain types of flora and fauna, as determined by climate. Climate and soil determine the flora, which, in turn, largely determine what type of other organisms live in that biome.
Biomes
Answer:
kinetic theory say that all particles of matter are in constant motion