The Km values for enzyme reactions such as A + B → C + D -triyambak.org

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#Question id: 597

The Km values for enzyme reactions such as A + B → C + D

#Unit 1. Structure and Function of Biomolecules

cannot be determined using the Lineweaver-Burk plot analysis.
can be determined by holding one (A or B) at high concentration, while varying the concentration of the other substrate.
can be determined for one substrate and not the other.
do not indicate the efficiency of the enzyme.

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#Question id: 33402

#Unit 1. Structure and Function of Biomolecules

A series of βαβ loops arranged so that the strands form a barrel creates a particularly stable and common motif called as

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#Question id: 33403

#Unit 1. Structure and Function of Biomolecules

Which amino acid has largest allowed region in Ramachandran plot but has least acceptability to support secondary structure formation?

TLS Online TPP Program

#Question id: 33404

#Unit 1. Structure and Function of Biomolecules

The crystal structural of a peptide has an ordered structural repeat of amino acids with a distance of ~ 6.5 A between the alternate Ca atoms. Which one of the following pair of dihedral angles accurately represents the peptide structural ?

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#Question id: 33405

#Unit 1. Structure and Function of Biomolecules

Which one of the following defines the psi angle in the protein backbone?

TLS Online TPP Program

#Question id: 33406

#Unit 1. Structure and Function of Biomolecules

If Phi is fixed at 0º, then which of the following is correct

a. Clashes occur at ALL Psi angles.

b. Phi = 0º is physically impossible.

c. Clashes occurs at +10º to -130º

d. Clashes occurs at -90º to -180º

TLS Online TPP Program

#Question id: 33407

#Unit 1. Structure and Function of Biomolecules

Psi is fixed at +165º. Then