Membrane lipids may

a. spontaneously flip-flop from one membrane leaflet to the other.

b. move laterally within one membrane leaflet.

c. aggregate with membrane proteins to form lipid rafts.

d. be unequally distributed in the two membrane leaflets.

e. be present in varying amounts in different cellular membranes

TLS Online TPP Program

#Question id: 4412

#Unit 3. Fundamental Processes

TATA less promoters without Inr and DCE are expressed

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#Question id: 11352

#Unit 10. Ecological Principles

Experimental removal of predatory typhlodromus mites from strawberry fields illustrated which of the following?

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#Question id: 8964

#Unit 9. Diversity of Life Forms

Phylogenetic trees are best described as

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#Question id: 2846

#Unit 2. Cellular Organization

HP1 contains a chromodomain that will bind to 

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#Question id: 11433

#Unit 1. Molecules and their Interaction Relevant to Biology

An amino acid contains no ionizable group in its side chain (R). It is titrated from pH 0 to 14. Which of the following ionizable state is not observed during the entire titration in the pH range 0 - 14?