In transcription-coupled repair (TC-NER) TFIIH, itself a large complex, which includes the products of two XP genes, XPB and XPD, which of the following is correctly representing the function of XPB and XPD

TLS Online TPP Program

#Question id: 27404

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statement is correct regarding the Structural Lipids in Membranes

1.It acts as a barrier to the passage of polar molecules and ions

2.Membrane lipids are amphipathic: one end of the molecule is hydrophobic, the other hydrophilic

3.Membrane bilayers are formed only by the hydrophobic interaction only 

4.Both hydrophobic and hydrophilic interactions are responsible for membrane bilayer formation

TLS Online TPP Program

#Question id: 27405

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the following structural features of lipids are given which of the following is incorrect 

TLS Online TPP Program

#Question id: 27406

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following enzymes that catalyze the hydrolysis of stored triacylglycerols, releasing fatty acids for export to sites where they are required as fuel

TLS Online TPP Program

#Question id: 27407

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following  reason is most accurately satisfying that archaebacteria can live in harsh environment

TLS Online TPP Program

#Question id: 27408

#Unit 1. Molecules and their Interaction Relevant to Biology

The base structure of sphingosine known as

TLS Online TPP Program

#Question id: 27409

#Unit 1. Molecules and their Interaction Relevant to Biology

What are the functions of Sphingosine-1- phosphate (S1P)

1.inflammation in allergic reactions

2.cell proliferation and angiogenesis 

3.malignant transformation, and movement

4.and migration of certain cells