Are responsible for the transport of substances down a concentration gradient during facilitated diffusion.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis

The diagram below represents a chloroplast found in a typical plant cell. which of the following processes occurs inside this structure? question 8 options: a oxygen is produced b sunlight is trapped c glucose is produced d all of the above.