In the pyrimidine ring system, what is the source of the carbons 4,5 and 6 during the de novo biosynthesis of pyrimidines?

TLS Online TPP Program

#Question id: 11488

#Unit 1. Molecules and their Interaction Relevant to Biology

If approximately 415 kJ/mol of energy is being used to break a bond in a monosaccharide molecule then

A. That monosaccharide is undergoing conformational change

B. That monosaccharide is undergoing configurational change

C. That monosaccharide is undergoing mutarotation to change into other form

D. That monosaccharide is undergoing epimerisation to change into other form

Which of the above statements is/are correct for a molecule to change with an expense of that much of energy?

TLS Online TPP Program

#Question id: 11489

#Unit 1. Molecules and their Interaction Relevant to Biology

Why Trehalose does cannot get oxidized at its anomeric carbon

TLS Online TPP Program

#Question id: 11789

#Unit 1. Molecules and their Interaction Relevant to Biology

Starch is made up of amylose and amylopectin having (α1→4) and (α1→6) bonds, hence molecule have

TLS Online TPP Program

#Question id: 11790

#Unit 1. Molecules and their Interaction Relevant to Biology

Chitin is a polysaccharide

TLS Online TPP Program

#Question id: 11791

#Unit 1. Molecules and their Interaction Relevant to Biology

Cellulose act as hydrophobic molecule due to

TLS Online TPP Program

#Question id: 11792

#Unit 1. Molecules and their Interaction Relevant to Biology

Hyaluronic acid is an important glycosaminoglycan component of connective tissue. Hyaluronate molecules are composed of

A. D-glucuronic acid and N-acetyl-D-glucosamine

B. D-galactose and N-acetyl-D-glucosamine

C. β(1→4) and β(1→3) alternate linkages

D. β(1→4) and β(1→6) alternate linkages

Which of the above 2 combinations are correct