Experiment: Barometer Option 3 Directions: Now that you have learned about a barometer, complete and submit the following
experiment. For this experiment, you will make your own barometer. Once completed, you may
photograph your barometer and submit that to your teacher.
Materials Needed:
A clear plastic drinking straw
A narrow-neck glass bottle
Enough modeling clay to fit in the neck of the bottle.
Instructions:
Fill the bottle about half full of water. Insert the drinking straw into the bottle, and make sure
the end of the straw is below the water level. Seal the neck of the bottle around the straw with
the modeling clay. Pour water into the straw to bring the water level in the straw above the top
of the bottle.
As the air pressure outside the bottle decreases, the trapped air inside the bottle will push the
water up the straw. As the air pressure outside the bottle increases, it will push the water
farther down the straw. Please note: You'll need to keep your barometer's temperature
constant, since temperature will also affect the water level.
I need help please!!!

Proteins are the workhorses of the cell, controlling virtually every reaction within as well as providing structure and serving as signals to other cells. proteins are long chains of  amino acids  , and the exact sequence of the amino acids determines the final structure and function of the protein. instructions for that sequence are encoded in  genes  . to make a particular protein, a messenger ribonucleic acid (mrna) copy is made from the gene (in the process called  transcription  ), and the mrna is transported to the  ribosome  . protein synthesis, also called  translation  , begins when the two ribosomal subunits link onto the mrna. this step, called initiation, is followed by elongation, in which successive amino acids are added to the growing chain, brought in by transfer rnas (trnas). in this step, the ribosome reads the  nucleotides  of mrna three by three, in units called  codons  , and matches each to three nucleotides on the trna, called the anticodon. finally, during termination, the ribosome unbinds from the mrna, and the  amino acid  chain goes on to be processed and folded to make the final, functional protein