★ Heredity Quiz
Which sentence is FALSE?
A. All organisms have 23 pairs of DNA.
B. Chromosomes are made of genes.
C. DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine
D. DNA is the recipe for life.
Select your answer:

Topics:
Vision and Hearing Defects Excretory System Physical Fitness Components Nutrition form 2 Skeleton Circulatory & Respiratory Heterotrophic Nutrition Virus and Bacteria Diet Human Anatomy Cosmetology Anatomy Excretion in Humans Micro Immunology All About Bacteria Integumentary System & Body DirectionsOther quiz:
Pollution › ViewWhich of the following is NOT an effect of Global Warming?
A. Polar ice caps will melt.
B. Coastal regions will be covered with rising sea levels.
C. Some areas will experience serious droughts
D. The Earth’s rotation will slow down and eventually stop
Systematic Bacteriology › View
Photosynthetic, nitrogen fixing, similar to chloroplasts. Which phylum belongs to these characteristics?
A. Proteobacteria
B. Cyanobacteria
C. Actinobacteria
D. Fermicutes