#Question id: 23296
#Aptitude
#Question id: 23612
#Aptitude
#Question id: 12375
#10. Ecological Principles
#Question id: 662
#1. Molecules and their Interaction Relevant to Biology
________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.
#Question id: 10943
#7. System Physiology – Animal
An 8-year-old male is frequently coming to the clinic for persistent skin infections that do not heal within a normal time frame. He had a normal recovery from the measles. Checking his antibodies following immunizations yielded normal antibody responses. A defect in which of the following cells would most like be the cause of the continual infections?