TLS Online TPP Program

#Question id: 34084


Consider the following statements about archaeal cell walls. Which are correct?

#XL - S Microbiology
  1. Archaeal cell walls may contain pseudopeptidoglycan.
  2. All archaea lack cell walls.
  3. Pseudopeptidoglycan contains β-1,3 glycosidic linkages.
  4. Archaeal cell walls are sensitive to lysozyme.
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TLS Online TPP Program

#Question id: 9795

#XL - Q Biochemistry

Following statements are made about uncompetitive inhibition of an enzyme:
A. Uncompetitive inhibitor binds to both free enzyme as well as an enzyme-substrate complex.
B. Addition of uncompetitive inhibitor lowers the Vmax of the reaction.
C. Apparent KM of the enzyme is lowered.
D. Apparent KM of the enzyme remains unchanged.
Which one of the following option represents the correct combination of the statments?

TLS Online TPP Program

#Question id: 10127

#XL - Q Biochemistry

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;

TLS Online TPP Program

#Question id: 10128

#XL - Q Biochemistry

PSII also involve in oxidation of water molecules, water is a very stable molecule that’s why  Oxidation of water to form molecular oxygen is very difficult, Many studies have provided a substantial amount of information about the process known;

which of the following are false ?

TLS Online TPP Program

#Question id: 10135

#XL - R Botany

Which of the following are strongest reductant?

TLS Online TPP Program

#Question id: 10136

#XL - R Botany

A protein complex contain a Rieske protein known as

TLS Online TPP Program

#Question id: 10137

#XL - R Botany

The Calvin–Benson cycle pathway decreases the oxidation state of carbon from the highest value, found in CO2 (+4), to levels found in sugars;  +2 in keto groups — CO—; 0 in secondary alcohols —CHOH,  In view of its notable capacity for lowering the carbon oxidation state, the Calvin–Benson cycle is also aptly named the