Which of the following is considered a component of lipids?
B. Fatty acids
C. Nucleic acids
Down's syndrome affects chromosome ____.
Blood enters the lungs from which chamber of the heart?
B. Left atrium
C. Right ventricle
D. Left ventricle
Excessive consumption of alcohol is most likely to damage which organ of the
body over a long period of time?
Which of the following is not considered a type of radiation ray?
A molecule of hemoglobin can hold how many molecules of oxygen in the blood for
Which of the following best describes the biomechanics of breathing?
Pump handle motion
B. Lever action
Animals that eat meat almost exclusively are known as:
D. Prolific organisms
The physical expressions of a gene are known as an organism's:
A ball is traveling at a constant velocity of 50 m/s and has been traveling for
over 2 minutes. What is the ball's acceleration?
B. 25 m/s
C. 25 m/s
D. 50 m/s2