TLS Online TPP Program

#Question id: 26872


What are the correct sequence steps of succession?

#Unit 10. Ecological Principles
  1.  Migration- Ecesis-Aggregation- Reaction
  2. Nudation-Ecesis-Migration-Reaction
  3. Competition-Migration-Ecesis-Stabilization
  4.  Competition-Ecesis-Stabilization- Migration
More Questions
TLS Online TPP Program

#Question id: 26571

#Unit 3. Fundamental Processes

Which of the following is required to initiate modifications of histone H3 (deacetylation of K9 and K14, followed by methylation of K9) in human

TLS Online TPP Program

#Question id: 26572

#Unit 3. Fundamental Processes

Choose the following is incorrect statement about Polycomb or Pc-G proteins

a. Pc-G proteins do not initiate repression

b. Pc-G proteins initiate repression

c. They are responsible for maintainingrepression 

d. There are Polycomb repressive complexes: PRC1 and PRC2

e. PRC2 complexes contain histone deacetylases that inhibit transcription

f. PRC1 complex binds the methylated nucleosomes 

g. The PRC1 complex contains a ubiquitin ligase 

TLS Online TPP Program

#Question id: 26573

#Unit 3. Fundamental Processes

Correct order of Step for X-chromosome inactivation is 
a. Xic generate xist RNA 
b. xist RNA wrapped over X chromosome 
c. MacroH2A recruited and xist RNA removed 
d. wrapped xist invites PRC2/1 complex
e. PRC2/1 complex  leads to H2AK119ub1 H3K27me3 H4K20me1

TLS Online TPP Program

#Question id: 26574

#Unit 3. Fundamental Processes

Which of the following is incorrect about De novo methylase & Perpetuation methylase

a. De novo methylase recognises unmethylated strand and methylated at single strand 

b. De novo methylase recognises unmethylated strand and methylated at single strand 

c. Perpetuation methylase recognises hemimethylated strand and methylated at both strand 

d. Perpetuation methylase recognises unmethylated strand and methylated at one strand 

TLS Online TPP Program

#Question id: 26575

#Unit 3. Fundamental Processes

Choose the correct statement about degeracy of genetic codon

a.Maximum degeneracy shows by Arg, Leu, Ser, that is 6  

b.None of the amino acid have denegeracy 5 

c.Ala, Gly, Pro, Thr, Val have denegeracy 4

d.Ala, Gly, Pro, Thr, Val have denegeracy 4

TLS Online TPP Program

#Question id: 26576

#Unit 3. Fundamental Processes

In mitochondria  UGA codes for