The 28S, 18S, and 5.8S rRNAs are

a. transcribed by RNA polymerase II.

b. encoded by a single transcription unit.

c. arranged in tandem arrays. 

d. processed in the cytoplasm.

TLS Online TPP Program

#Question id: 27561

#Unit 1. Structure and Function of Biomolecules

Some proteins contain additional amino acids that arise by modification of an amino acid already present in a peptide, examples include

TLS Online TPP Program

#Question id: 27588

#Unit 1. Structure and Function of Biomolecules

Consider the given peptide, Ala-Glu-Val-Asn-Ile-Asp-Pro-Asp-Gln-Gly-Asp. The net charge on the peptide at pH 1. 0 will be

TLS Online TPP Program

#Question id: 28156

#Unit 1. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

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. Structure and Function of Biomolecules

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