A student adds different substances to yeast and incubates in a respiration chamber. These were the results: Sugar Height of bubbles after 30 minutes (in mm) Glucose 27.1 Lactose 3.35 Sucrose 25.2 Fructose 29.7 Water 3.11 The student concludes that under the conditions tested…  

In overview, which organelles are most directly involved in the flow of energy from the sun through all living things?

During glycolysis,

The largest number of ATP molecules are produced in which part of the cellular respiration reaction?

While eating a portion of yogurt, you have to leave, so you store the yogurt in the refrigerator. A day later you return and find the surface of the yogurt is no longer smooth but has broken into several liquified products. You correctly guess that enzymes from your saliva, via the spoon, have continued digesting the yogurt in your absence. What will happen over time?

During photosynthesis, CO2 is reduced. This means that

Why are plant leaves green?

We often say that we need food for energy. In a biological sense, is this correct?

In lab, Ahmed separated spinach leaf pigments. Study his results in the diagram below. What is the Rf value for carotene?     

We set up an experiment where the same species of plant is grown in boxes covered with plastic that only allows in certain colors of light. In which box would we expect the least plant growth and even perhaps the death of the plant? (Hint: think of the colors that are absorbed and reflected)