If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?

TLS Online TPP Program

#Question id: 28156

#Unit 1. Molecules and their Interaction Relevant to Biology

Some statement are given regarding Platelet-activating factor 

a. It is more water-soluble than most glycerophospholipids and plasmalogens

b. It has a long ether-linked alkyl chain at C-1 of glycerol

c. This released from basophils 

d. It stimulates platelet aggregation and the release of vasoconstrictor serotonin from platelets

Which of the following is true

TLS Online TPP Program

#Question id: 30696

#Unit 1. Molecules and their Interaction Relevant to Biology

In the pathways for the breakdown of GM1, globoside, and sphingomyelin to ceramide, the ratio of residue  Glc ,Gal, GalNAc, Neu5Ac changes with different compound

Which of the following is incorrectly paired

TLS Online TPP Program

#Question id: 30697

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true regarding Plasmalogen and Platelet-activating factor

a. The head group of Plasmalogen – ethanolamine

b. The head group of Plasmalogen – choline

c. The head group of Platelet-activating factor – ethanolamine

d. The head group of Platelet-activating factor – choline

TLS Online TPP Program

#Question id: 31336

#Unit 1. Molecules and their Interaction Relevant to Biology

A peptide has the sequence Ala–His–Trp–Ser–Gly–Leu. What will the net charge of the molecule at pH 3&8

TLS Online TPP Program

#Question id: 31349

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the peptide as

TLS Online TPP Program

#Question id: 31351

#Unit 1. Molecules and their Interaction Relevant to Biology

Find incorrect match of the pKa's of the ionizable groups with respective amino acids