1 Pull in the clutch lever and put the bike into first gear. 2  Put your feet out in front of you so that your heels are on the ground and your toes are pointed up. 3  Slowly let out the clutch lever until the bike starts to roll forward. 4  When your feet are flat on the ground, pull the clutch lever back in.
These elements exist in the form of molecules and organelles â picture them as the tools, appliances, and inner rooms of the cell. Major classes of intracellular organic molecules include nucleic acids, proteins, carbohydrates, and lipids, all of which are essential to the cell's functions. Nucleic acids are the molecules that contain and help express a cell's genetic code. There are two major classes of nucleic acids: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Which cell structure contains the cell's genetic material and controls many of the cell's activities? The nucleus contains the genetic material of a cell and contains  instructions for the cell's activities.