Select your answer:
Topics:
Microbes and Infectious Disease DNA and Polypeptide Synthesis Healthcare Delivery Systems and Insurance Toxicology Cell Transport Life Processes Excretion Branches of Medicine Major Internal Organs of the Body Metabolism Blood & Blood Vessels The Cell Cycle & Cancer Macromolecules Microbial Growth Multicellular Organisms: Organisation Excretion-DialysisOther quiz:
Reproduction › ViewDuring spermatogenesis, which of the following cells is the first to become haploid?
A. primary spermatocyte
B. secondary spermatocyte
C. sperm cells
D. spermatid
E. spermatogonium
Immunology › View
Which is the major immunoglobulin in terms of concentration
A. IgG
B. IgA
C. IgM
D. IgD