★ Infectious Diseases & the WHO Quiz
What was it called when Europeans explored the world and traded with the natives in the Western Hemisphere?
A. American Express
B. American Exchange
C. Columbian Exchange
D. Columbian Deals
Select your answer:
Topics:
Cell Reproduction Hele Skeletal System First Aid History of Immunology Nutrition In Animal Stem Cells & Cell Differentiation Biological Molecules and Enzymes Pathology Inflammation The Cardiovascular System: Blood Vessels and Hemodynamics Degeneration Pathology Nephrology (Hemodialysis) Malaria The Digestive System Vitamins LiveabilityOther quiz:
Genetics › ViewTwo plants are crossed, resulting in offspring with a 3:1 ratio for a particular trait. What does this suggest?
A. that the parents were true-breeding for contrasting traits
B. that the trait shows incomplete dominance
C. that a blending of traits has occurred
D. that the parents were both heterozygous for a single trait
Biochemistry › View
A covalent bond where four electrons (two pairs) are shared.
A. single bond
B. double bond
C. triple bond