Which describes a characteristic of free radicals?
A. They are inert molecules that don't interact readily with other molecules.
B. They rapidly oxidize other atoms by removing an electron.
C. They have extra neutrons in their nuclei.
D. They are found in high quantities in most sports drinks.
E. They contain two electrons in the outermost orbital.
Answer: B
You might also like to view...
Which of the following is NOT true of diffusion in the human body?
A) Net movement of molecules occurs until the osmolarity is equal. B) Diffusion occurs faster at higher temperatures. C) Diffusion is rapid over short distances and slower over longer distances. D) Smaller molecules take longer to diffuse than larger ones.
During osmosis,
a. water moves down its own concentration gradient. b. water moves to an area of higher solute concentration. c. the solute moves against its concentration gradient. d. only (a) and (b) above. e. all of these answers.
What and where is the greater tubercle?
What will be an ideal response?
A transverse plane will cut a body or organ into
a) anterior and posterior portions. b) left and right portions. c) superior and inferior portions. d) portions separated at an angle to its longitudinal axis. e) unequal left and right portions.