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TLS Online TPP Program

#Question id: 282

A HATS enzymes reacts with the side-chain of lysine to form the following structure: What effect will the HATS enzymes have on histones?

#SCPH12 I Genetics

  1. No effect, since histones contain few lysine residues.

  2. HATS will increase the affinity of histones for DNA.

  3. HATS will allow for easier unravelling of histone-DNA structures.

  4. HATS activate histones for interaction with mRNA.

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TLS Online TPP Program

#Question id: 14293

#SCPH05 I Biotechnology

Scale up of a fermenter is done based on constant impeller tip speed. If the diameter of the impeller is increased by 10-fold, the agitator speed will: 
TLS Online TPP Program

#Question id: 780

#SCPH05 I Biotechnology

Drosha and Pasha:
TLS Online TPP Program

#Question id: 18864

#SCPH01 Biochemistry

In light microscopy, the highest resolution is attained with-
TLS Online TPP Program

#Question id: 384

#SCPH05 I Biotechnology

A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).
TLS Online TPP Program

#Question id: 10695

#SCPH06 I Botany

Consumer (+) and resource (-) interactions classified by the two factor

T- Duration or intimacy of the association between individuals

Kp- Probability that resource individuals will be killed

Which of the following some statement are correct?

A-  Value of T for Grazer is greater than parasite

B-  Value of Kp for predator is greater than parasite

C-  Value of Kp for parasite is greater than parasitoid

D-  Value of T for parasitoid is greater than predator