★ Genes and DNA Quiz
What is the shape of the DNA molecule?
A. Double helix
B. Square
C. Single strand
D. Triangle
Select your answer:
Topics:
Blood Typing Musculoskeletal Organization of Systems Reproduction Heredity How the Eyes work Who am Eye? Blood Pressure and Blood Vessels Vitamins and Minerals Bones Plant Biotechnology Anxiety Disorders Oncology Components of Food Macromolecules and EnzymesOther quiz:
Excretion-Dialysis › ViewOn average, how many times a week do people need dialysis?
A. Every day
B. 3 times per week
C. 2 times per week
D. 1 time per week
Cardiovascular System › View
A(n)______ is a blood vessel that carries blood away from the heart.
A. capillary
B. Vein
C. ventricle
D. artery