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)

If an enzymatic reaction was controlled by feedback inhibition, we would expect it to stop

For the complete respiration of one molecule of glucose, the citric acid cycle must turn a total of

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)

Which pathway in aerobic respiration will produce ATP, NADH, and carbon dioxide among other compounds?

The different pigments in spinach leaves were separated by ___________.

Identify the section plane (cut) in this image.

Name the plane of section shown in  C.