There are two extreme states of bilayer lipids choose which of the following is correct  

1.In the liquid- ordered (Lo) state, polar head groups are non uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with irregular

2.in the liquid- ordered (Lo) state, polar head groups are uniformly arrayed at the surface, and the acyl chains are nearly motionless and packed with regular

3.In the liquid-disordered (Ld) state acyl chains undergo much thermal motion and have regular organization.

4.In the liquid-disordered (Ld) state, acyl chains undergo much thermal motion and have no regular organization.

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#Question id: 15369

#Unit 4. Cell Communication and Cell Signaling

Changes in DNA methylation, as well as changes in the activity of histone-modifying enzymes or chromatin-remodeling complexes, are major drivers of tumorigenesis,

a. Hypermethylation of CpG dinucleotides of TSG gene causes cancer.

b. Hypomethylation of CpG dinucleotides of proto-oncogenes causes cancer.

c. SWI/SNF plays a role in repressing the expression of E2F genes.

d. Gain of SWI/SNF function, just like loss of Rb function.

Which of the statements are INCORRECT;

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#Question id: 18898

#Unit 13. Methods in Biology

Iodine-123, Iodine-125, Iodine-129, Iodine-131 are the radioactive compound having radioactive properties and used as for the diagnosis of

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#Question id: 28402

#Unit 5. Developmental Biology

A cell that high level of β-catenin with high concentration of nodal related protein and also have vegT and vg1 expression that type of cell undergo to the formation of which structure?

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#Question id: 4328

#Unit 3. Fundamental Processes

Which of the following statements about the DNA in one of your brain cells is true?

TLS Online TPP Program

#Question id: 1156

#Unit 4. Cell Communication and Cell Signaling

Which of the following mechanisms cannot terminate an intracellular signaling pathway once the concentration of an external signal decreases?