Select your answer:
Topics:
Bacterial Cell Structure DNA Structure and Function The Cell Cycle & Cancer Ecology DNA Structure, Replication, Proteins Parts of the Skin Living Organisms Transport system in Living Things (Human) Circulation of Blood General Anatomy Nervous System Functioning Energy and Metabolism Human Excretory System Reproductive System Vocabulary Major OrgansOther quiz:
Endocrinology › ViewThe estrogen that is used most commonly in Oral Contraceptive Pills is
A. Clomiphene
B. Ethinyl estradiol
C. Estrone
D. Norgestrol
Adaptive Immune System › View
Which of the following statements is true?
A. Plasma cells produce antibodies that can exist in the blood system for between 10 and 20 years
B. Memory cells last a long period of time, plasma cells a significantly shorter period
C. Memory cells need to be replaced every 6 months via immune system stimulation
D. Mutatnt Cytotoxic T Cells are responsible for the formation of cancers