A free radical takes what particle from a stable molecule?
a. a proton
b. an electron
c. a neutron
d. an atom
e. a hydrogen ion
ANSWER: b
You might also like to view...
Sea surface water moves in response to gravity
mostly from the a. north pole to the south pole. b. equator to the poles. c. poles to the equator. d. south pole to the north pole. e. poles to the equator and back again.
In which circumstance is food and/or beverage allowed in the laboratory?
if containers are covered never if containers are kept out of sight if containers are sealed
Most reactions in the body occur too slowly to sustain life. This is because
A) there is not enough ATP in body cells. B) many reactions require large inputs of activation energy. C) no catalysts are present in body cells. D) all reactions in the body are endergonic. E) most biological catalysts are not active at body temperature (37°C).
Which of the following cell structures are associated with the breakdown of harmful substances?
A) chloroplasts B) mitochondria C) peroxisomes D) centrioles