#Question id: 10977
#7. System Physiology – Animal
A 60-year-old man’s EKG shows that he has an R-R interval of 0.55 sec. Which of the following best explains his condition?
#Question id: 672
#1. Molecules and their Interaction Relevant to Biology
An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?
#Question id: 10678
#10. Ecological Principles
In competitive species N1 and N2, four individuals of N2 use the same resource as one individuals of N1. According conversion factor, what is the value of per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?
#Question id: 23291
#Aptitude
#Question id: 6976
#5. Developmental Biology
What is the major concern of using retroviral vectors to deliver or activate pluripotent genes?