Which occurrence represents an example of evolution?
A. Exposure to radiation reduces the rate of mutation in leaf cells.
B. A mutation in a liver cell causes a person to produce an enzyme that is less efficient.
C. Cells in a zygote eventually change into bone cells or skin cells
D. Some antibiotics are almost useless, because pathogens have developed a resistance to these antibiotics.
Select your answer:
Topics:
First Aid Check up Sources Of Food Specialties: Neurological and Geriatric Blood Typing Cellular and Sexual Reproduction Branches of Medicine Cardiology Circulatory, Artery, Vein - basics Composition of Blood and Blood Cells EKG CCMA The Cardiovascular System OCR A-level Child Growth and Development Vision and Hearing Defects Bones Mutation & Genetic EngineeringOther quiz:
Cancer (Bio II) › ViewWhich of the following is a way that your body defends itself against cancer?
A. proto-oncogenes & tumor suppressor genes
B. DNA repair system
C. apoptosis
D. ALL OF THE ABOVE!
Micro Immunology › View
Specialized tissue cells, similar to basophils that trigger inflammation.
A. Dendritic cells
B. Mast cells
C. Natural Killer (NK)
D. B-cells
E. T-cells