★ DNA and Genetic Manipulation Quiz
Which is the structure of DNA?
A. Single helix
B. Double helix
C. Single strand
D. Rounded
Select your answer:
Topics:
Limitation of Senses Functional Anatomy in Track & Field Speed, Flexibility part of Components of Physical Fitness Bone Physiology Cardiorespiratory System Infection General Anatomy Human Organ System Dermatosis Hemodynamics Cholera Factors Affecting Health IV Therapy and Blood Transfusion Circulatory System Breathing SystemOther quiz:
Human Organs › View
What is the function of this system?
A. exchange gases with the air
B. breakdown molecules and absorb nutrients.
C. Provide support and movement for the body
D. Produce and secretes hormones which regulate metabolism, growth, and development.
Integumentary System › View
The type of cell that produces melanin, which protects us against harmful UV rays.
A. Keratinocytes
B. Melanocytes
C. Eccrinocytes
D. Melatonin