#Question id: 14868
#Section 1: Engineering Mathematics
#Question id: 3570
#Section 3: Genetics, Cellular and Molecular Biology
Which field of genetics is the oldest?
#Question id: 14589
#Section 2: General Biology
#Question id: 1986
#Section 2: General Biology
The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?
I. Pathogen is destroyed.
II. Lymphocytes secrete antibodies.
III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.
IV. Lymphocytes specific to antigenic determinants from pathogen become numerous.
V. Only memory cells remain.
#Question id: 15675
#Section 6: Plant, Animal and Microbial Biotechnology