1,2-diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (IP3) are cleaved from phosphatidylinositol 4,5-bisphosphate (PIP2) by the enzyme:

TLS Online TPP Program

#Question id: 11787

#Unit 7. System Physiology – Animal

Giving prostaglandin E2 (PGE2) to a pregnant woman may result in an abortion. What is the best explanation for this finding?

TLS Online TPP Program

#Question id: 11788

#Unit 7. System Physiology – Animal

During the first few years after menopause, follicle-stimulating hormone (FSH) levels are normally extremely high. A 56-year-old woman completed menopause 3 years ago. However, she is found to have low levels of FSH in her blood. Which of the following is the best explanation for this finding?

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