Practice Questions

TLS Online TPP Program

#Question id: 2195

Which of the following statements about the mobility of membrane components is true?

#Unit 2. Cellular Organization

Proteins and lipids move equally rapidly within the plane of the membrane.
Lipids generally move more rapidly than proteins within the plane of the membrane.
Proteins generally move more rapidly than lipids within the plane of the membrane.
Lipids and proteins “flip-flop” between membrane leaflets more readily than they move within the plane of the membrane.

More Questions

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

TLS Online TPP Program

#Question id: 289

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements describes a covalent bond between Carbon and Hydrogen:

TLS Online TPP Program

#Question id: 290

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is a TRUE statement about ionic bonds in protein structure: