When it comes to their function in a cell what are ribosomes sometimes referred to?
a. protein factory
b. brain
c. janitor

What did the first language sound like

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?