Which of the following is not characteristic of facilitated diffusion? A It moves substances against a concentration gradient. B It requires a carrier protein. C It involves a change in the shape of its carrier. D It requires no energy input.

What happens to the body if the urinary system no longer functions? 1. The body cannot fight infections 2. Toxic cellular waste builds up 3. Nutrients cannot reach cells 4. Oxygen cannot reach cells

1 Glucose is an example of a sugar.

Examine the f1 complex of the atp synthase from bovine heart mitochondria. what prevents this f1 complex from rotating with the f0 c-ring complex? examine the f1 complex of the atp synthase from bovine heart mitochondria.

Habitat destruction can result in a loss of

Where is oxygen content in a river or stream likely to be highest?

What creates the bond between the sodium and chlorine ions

Hag fish have a mostly cartilaginous skeleton. How do they get enough force to tear flesh from the grey whale carcass?

Are viruses alive? Support your answer using at least five of the emergent properties of life. Your answer should include the property of life, how a virus satisfies or does not satisfy that property (for each of the five properties), and your

3 benifits of gene sequencing

How do blood clots affect the nervous system