Rough ER is studded with ribosomes and the Smooth ER has a smooth surface ..
B) Chemical Energy
It makes light energy into chemical energy for the plant to use.
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Skeletal and cardiac muscles are known as striated muscles, because the filaments of actin and myosin that power their contraction are organized into repeating arrays, called sarcomeres, that have a striated microscopic appearance.
The difference in water concentration across a selectively permeable membrane.