α-Turn 

a. Consists of 5 amino acids, generally termed as i, 1+1, i+2, i+3 and i+4. 

b. H-bond is seen between i and i+4 (First and Fifth residue).

c. The conformation of i+1, i+2 and i+3 are crucial

TLS Online TPP Program

#Question id: 1019

#Unit 4. Cell Communication and Cell Signaling

Bacteria are present on the body

TLS Online TPP Program

#Question id: 1020

#Unit 4. Cell Communication and Cell Signaling

HIV/AIDS can be categorized as a new or emerging infectious disease. By putting it into this category, we are effectively saying that

TLS Online TPP Program

#Question id: 1021

#Unit 4. Cell Communication and Cell Signaling

Disease Control (CDC) determine that the agent causing the birds to die is the West Nile virus. Outbreaks of this illness have been observed in several other countries in Asia and the Middle East across the last 50 years, but not in the United States. With this information, what would be the best categorization of this infectious agent/disease

TLS Online TPP Program

#Question id: 1022

#Unit 4. Cell Communication and Cell Signaling

Why are we concerned at all with monitoring emerging/reemerging diseases?

TLS Online TPP Program

#Question id: 1023

#Unit 4. Cell Communication and Cell Signaling

Which amino acid(s) is/are found only in the cell walls of bacteria?

TLS Online TPP Program

#Question id: 1024

#Unit 4. Cell Communication and Cell Signaling

The cell wall of Gram-positive bacteria