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

Molecules embedded in phospholipid bilayers that form channels allowing molecules to pass into and out of the cell are made of

Which of the following is an example of a food that is rich in complex carbohydrates?

When molecules or atoms move down a concentration gradient across cell membranes, it's called

The type of diffusion in which water moves down a concentration gradient is called ________.

The movement of a substance out of a cell via a vesicle is called ________.

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

According to the USDA Food Guide Pyramid, what proportion of a healthy diet should consist of meat and beans?

Which of these has not been tested by the Food and Drug Administration for safety and effectiveness?

Phospholipid bilayer membranes are

What happens to excess protein in the body?

How would amino acids and calcium ions from the bloodstream move across a cell membrane?

Which of the following requires the most ATP to move the molecule across a plasma membrane?

Exocytosis and endocytosis both involve membrane-bound ________ that can fuse with plasma membranes.

Even though they're extremely small, viruses are too large to enter a cell by passive or active transport and thus must enter a host cell via

Vitamins function as ________, helping molecules within the cells reduce the activation energy of necessary chemical reactions.

Sunlight is required for the synthesis of

Nutrients that the human body requires in large quantities are called

Elodea is a freshwater aquatic plant that is often used as aquarium vegetation. What would happen to an Elodea plant that was immersed in a saltwater aquarium?

Table sugar (sucrose)belongs to which category of nutrients?

Diffusion is