Exam 3: Is It Possible to Supplement Your Way to Better Performance and Health

-Use the figure to answer the following question. Which substance requires the use of a protein channel to pass through a plasma membrane?

Which organelle contains digestive enzymes that degrade a variety of macromolecules?

Carbohydrates are an excellent source of energy for the body. If a candy bar and a pear contain an equal number of calories from carbohydrates, which is a healthier food and why?

What are the "work-bench" structures where cell proteins are assembled?

In what molecular form do plants store their excess carbohydrates?

What is the purpose of vitamins in the human body?

If vitamins help molecules reduce the activation energy for necessary chemical reactions, what is their role within the cell?

What cell structure defines the outer boundary of all cells, separating the cell's contents from its environment? (two words)

What are the monomer "building blocks" that make up proteins?

Which antioxidant is naturally found in cocoa?

Which vitamin is water soluble and cannot be synthesized by the body?

Why are the trans-fatty acids common in fast foods a concern to nutritionists?

How are trans fats different from regular saturated fats?

Label the parts of the plant cell.

What two-word term describes food that has been stripped of most of its nutrients?

What is the compartment in a eukaryotic cell where DNA is stored as chromatin?

What is a major difference between saturated and unsaturated fats?

Where do the reactions of cellular respiration occur?

Which food is rich in complex carbohydrates?

During diffusion, how do the solute molecules move?