Chromatin-mediated repression of transcription involves

a. modification of lysine residues in histones. 

b. large, multiprotein complexes.

c. acetylation of histone tails.   

d. deacetylation of histone tails.

TLS Online TPP Program

#Question id: 2088

#Unit 2. Cellular Organization

Lipid droplets arise from the

TLS Online TPP Program

#Question id: 28371

#Unit 5. Developmental Biology

At which cell of the embryo where the Gurken protein is diffuses and do not allow to synthesizes of pipe protein ?

TLS Online TPP Program

#Question id: 12633

#Unit 6. System Physiology – Plant

In the absence of BRs, BRI1 and BAK1 can form inactive homodimers, which of the following activity is inhibited  these BRs receptor?

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#Question id: 621

#Unit 1. Molecules and their Interaction Relevant to Biology

Michaelis and Menten assumed that the overall reaction for an enzyme-catalyzed reaction could be written as Using this reaction, the rate of breakdown of the enzyme-substrate complex can be described by the expression:

TLS Online TPP Program

#Question id: 10324

#Unit 9. Diversity of Life Forms

Which of the following is not true of all horizontally oriented phylogenetic trees, where time advances to the right?