4. In what cellular function does the structure shown here play a role? O A. They play a major role in protein synthesis.
O B. They act as the powerhouse for the cell.
O c. They are involved in the separation of chromosomes during cell division.
O D. They are involved in photosynthesis.

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars