What is the primary source of mass in a plat?

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?