The molecule in the accompanying figure is a(n) ____
a. triglyceride
b. amino acid
c. steroid
d. polysaccharide
e. phospholipid
ANSWER: a
You might also like to view...
The term saltatory propagation refers to the:
A. involvement of ions such as sodium and potassium in production of the action potential. B. ability of an action potential to "jump" from one node of Ranvier to the next. C. tendency of an action potential to move in one direction. D. All of the answer options are correct.
Four of these five statements about ozone are correct. Select the exception
a. Ground-level ozone forms when compounds released by burning or evaporating fossil fuels are exposed to sunlight. b. Warm temperatures retard ground-level ozone formation. c. Avoiding the gas pump in the heat of the day will limit ozone pollution. d. Ozone is an eye and respiratory tract irritant. e. Ozone is a necessary part of the upper atmosphere but is a pollutant at ground level.
Amyotrophic lateral sclerosis (ALS) disrupts
muscle contraction by a. binding actin. b. blocking myofibril. c. killing motor neurons. d. weakening myofilaments. e. none of these.
Transcription takes place in three steps: initiation, elongation and termination
a. true b. false