Answer:
There are four major classes of biological macromolecules.1.)carbohydrates 2.)lipids 3.)proteins 4.)nuclic acids .each is an important cell component a performs a wide array of functions.
I think it’s D.)
Explanation: water makes up the hydrosphere. And soil makes up the geosphere.
The vacuole is a "container" in the cytoplasm in a cell that stores water, food, and waste.
Answer: In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
Answer:
something that happens abnormally