Topics: Human Eye Quiz
Twinkling of stars is due to atmospheric
A. dispersion of light by water droplets
B. refraction of light by different layers of varying refractive indices
C. scattering of light by dust particles
D. internal reflection of light by clouds
Select your answer:
Topics:
Pathology - Cellular Injury Bone Shapes & Long Bone Anatomy Cardiology Health and Hygiene Cardiorespiratory Endurance Entomology Excretion Human Digestive System Vocabulary for Organisms in Ecosystems Musculoskeletal System Medical Terminology Prefixes Cancer (Bio II) Hematology in Veterinary Medicine Biochemistry Lab Macromolecules & EnzymesOther quiz:
Biotechnology: Tools & Techniques › ViewWhich of the following is the first step in DNA extraction?
A. Heating the DNA to denature it
B. Adding restriction enzymes to the cell
C. Breaking down the cell and nuclear membranes using detergents
D. Running the DNA through electrophoresis
Hematology › View
What component of blood makes up 45% of its volume?
A. Plasma
B. Leukocytes
C. Erythrocytes
D. Thrombocytes