TLS Online TPP Program

#Question id: 2079


According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly

#XL - S Microbiology
  1. spread in a continuous layer over the inner and outer surfaces of the membrane.

  2. confined to the hydrophobic interior of the membrane.

  3. embedded in a lipid bilayer.

  4. randomly oriented in the membrane, with no fixed inside-outside polarity.

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TLS Online TPP Program

#Question id: 10275

#XL - Q Biochemistry

In the initial phase of glycolysis, each hexose unit is phosphorylated twice and then split, producing two molecules of triose phosphate, in these reactions included irreversible reaction. How much irreversible reaction is performed in the glycolytic pathway through in this series of reactions?

TLS Online TPP Program

#Question id: 10276

#XL - Q Biochemistry

In glycolysis, the enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes;

TLS Online TPP Program

#Question id: 10278

#XL - Q Biochemistry

The type of ATP synthesis, traditionally referred to as substrate-level phosphorylation involves the direct transfer of a phosphate group, which reactions perform substrate-level phosphorylation?

a) Conversion of Glyceraldehyde 3-phosphate to 1,3-Bisphosphoglycerate

b) Conversion of Phosphoenol pyruvate to pyruvate

c) Conversion of Fructose 6-phosphate to Fructose 1,6-bisphosphate

d) Conversion of 1,3-Bisphosphoglycerate to 3-Phosphoglycerate

Find the correct one.

TLS Online TPP Program

#Question id: 10279

#XL - Q Biochemistry

Phosphohexose isomerase is one of the enzyme of glycolysis which catalyzes Glucose 6-phosphate to Fructose 6-phosphate, enzyme bind with the hexose in their active site by opening the structure. The ring opening and closing reactions are catalyzed by an active-site present amino acid such as

TLS Online TPP Program

#Question id: 10280

#XL - Q Biochemistry

The enzyme of glycolytic pathway that forms fructose 1,6-bisphosphate is called phosphofructokinase-1 (PFK-1), which statements can’t distinguish it from a second enzyme (PFK-2) Phosphofructokinase-2.

TLS Online TPP Program

#Question id: 10281

#XL - Q Biochemistry

Gluconeogenesis is particularly important in plants such as the castor oil plant Ricinus communis and sunflower that store carbon in which form .