Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 44200
TLS Online TPP Program

#Question id: 561

Enzyme X exhibits maximum activity at pH = 6.9.  X shows a fairly sharp decrease in its activity when the pH goes much lower than 6.4.  One likely interpretation of this pH activity is that:

#SCPH06 I Botany

  1. a Glu residue on the enzyme is involved in the reaction.

  2. a His residue on the enzyme is involved in the reaction.

  3. the enzyme has a metallic cofactor.

  4. the enzyme is found in gastric secretions

More Questions
TLS Online TPP Program

#Question id: 2276

#SCPH05 I Biotechnology

The cytoplasm of a bacterium
TLS Online TPP Program

#Question id: 16023

#SCPH05 I Biotechnology

Cells which have undergone transformation frequently become
TLS Online TPP Program

#Question id: 4303

#SCPH01 Biochemistry

Which component is not directly involved in translation?
TLS Online TPP Program

#Question id: 18610

#SCPH06 I Botany

In an experiment, it was found that the value of Tm for DNA is 45 ̊C, when cell have 22% GC content at the above Tm, then what will be the effect on the value of Tm if GC% increases to 60%
TLS Online TPP Program

#Question id: 3522

#SCPH28 | Zoology

A haplo-diplod insect, Male are haploid but female are diploid, A female who is heterozygous for recessive red eye color mutation mate with red eye male. What will be percent of wild phenotype color eye among their female?