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TLS Online TPP Program

#Question id: 4390

Epigenetics marks refer to modifications to DNA and proteins that in turn regulate gene expression. Which statement is true regarding these specific types of modifications?

#Unit 3. Fundamental Processes

  1. They have the ability to both silence and activate genes.

  2. They can involve the methylation of cytosine bases.

  3. They are linked to the acetylation of histones.

  4. All of the above

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TLS Online TPP Program

#Question id: 33374

#Unit 1. Molecules and their Interaction Relevant to Biology

The 310 helix has 
TLS Online TPP Program

#Question id: 13029

#Unit 13. Methods in Biology

Mutation at Vir E and Vir B can repectively cause :
TLS Online TPP Program

#Question id: 3347

#Unit 11. Evolution and Behavior

Which one of the following statements is NOT TRUE about homologous organ?
TLS Online TPP Program

#Question id: 176

#Unit 1. Molecules and their Interaction Relevant to Biology

A peptide has the sequence Glu–His–Trp–Ser–Gly–Leu–Arg–Pro–Gly. What is the net charge of the molecule at pH 3
TLS Online TPP Program

#Question id: 2706

#Unit 2. Cellular Organization

Which of the following is a function of a modified histone tail?