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TLS Online TPP Program

#Question id: 10823

Which of the following statements about symbiotic relationships is true?
#Unit 10. Ecological Principles
  1. In a parasitic relationship, both organisms are harmed
  2. Symbiotic organisms have usually undergone little or no coevolution
  3. A relationship that appears to be commensalistic may in fact be mutualistic or parasitic
  4. The most efficient type of parasite is one that kills its host
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TLS Online TPP Program

#Question id: 23753

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following is always with 'Bargain'?
TLS Online TPP Program

#Question id: 23752

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following is always associated with a 'tree'?
TLS Online TPP Program

#Question id: 23751

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following is always associated with 'Justice'?
TLS Online TPP Program

#Question id: 743

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycophorin, an integral membrane protein, has a single transmembrane alpha helix. Which of the following idealized hydropathy plots most likely represents the transmembrane nature of glycophorin?
TLS Online TPP Program

#Question id: 742

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following

ConformationPhiPsiOmega
A. Alpha helixI. -57P. -47X. 180
B. B sheetII. -135Q. +135Y. 0
C. Polyproline IIII. -83R. +158
D. Polyproline IIIV. -78S. +149
TLS Online TPP Program

#Question id: 741

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of following statements are INCORRECT about secondary structure of proteins

A. Long block of Glu residues segment of the chain will not form an alpha helix at pH 7.0 but it ll take helical confirmation below its pKR value

B. Long block of Lys residues segment of the chain will not form an alpha helix at pH 7.0 but it ll take helical confirmation above its pKR value

C. Long block of Ala residues segment of the chain will not form an alpha helix at pH 7.0 but it ll take helical confirmation below its pKR value

D. Histidine side chain remain uncharged over pH range 3-6