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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:

#SCPH01 Biochemistry

  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: 3862

#SCPH06 I Botany

The largest gene characterized to date is:
TLS Online TPP Program

#Question id: 12673

#SCPH06 I Botany

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for
TLS Online TPP Program

#Question id: 1579

#SCPH01 Biochemistry

Function of Vitronectin 
TLS Online TPP Program

#Question id: 3646

#SCPH05 I Biotechnology

Both leading and lagging strand primers are elongated by:
TLS Online TPP Program

#Question id: 3464

#SCPH06 I Botany

Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then