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TLS Online TPP Program

#Question id: 12633

In the absence of BRs, BRI1 and BAK1 can form inactive homodimers, which of the following activity is inhibited  these BRs receptor?

#Unit 6. System Physiology – Plant
  1. BRI1 activity is inhibited kinase activity
  2. BKI1 activity is inhibited by its carboxyl terminal tail and by the kinase inhibitor BRI1
  3. BSK inhibited the BRI1 receptor
  4. BRI1 activity is inhibited by its carboxyl terminal tail and by the kinase inhibitor, BKI1.
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TLS Online TPP Program

#Question id: 27632

#Unit 1. Molecules and their Interaction Relevant to Biology

The two forms of poly(Pro) helix all cis (I) or all trans (II) peptide bonds with different no of amino acid per turn

(a) poly(Pro) I as a right-handed helix with 3.3 residues per turn 

(b) poly(Pro) I as a right-handed helix with 3 residues per turn 

(c) poly(Pro) II is a left-handed helix with 3 residues per turn.

(d) poly(Pro) II is a left-handed helix with 3.3 residues per turn.

Choose the correct options of the following
TLS Online TPP Program

#Question id: 27633

#Unit 1. Molecules and their Interaction Relevant to Biology

Amino acid and condtion/propensity of forming helix is given
(a) Polyleucine and polyalanine readily do not form a-helical structures.
(b) Polyleucine and polyalanine readily form a-helical structures.
(c) Below pH 12, polylysine chain, readily forms an a-helix
(d) At pH 12, polylysine chain, readily forms an a-helix
(e) Below pH 5olyGlu readily do not forms an a-helix.
(f) Below pH 5olyGlu readily forms an a-helix.
Choose the correct options of the following
TLS Online TPP Program

#Question id: 27634

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following set of amino acid can form beta sheet
TLS Online TPP Program

#Question id: 27635

#Unit 1. Molecules and their Interaction Relevant to Biology

The arrangement of successive amide planes has a pleated appearance due to the
TLS Online TPP Program

#Question id: 27636

#Unit 1. Molecules and their Interaction Relevant to Biology

Each single strand of the beta-sheet structure can be pictured as a twofold helix, that is, a helix with
TLS Online TPP Program

#Question id: 27637

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the given statements are regarding Parallel & Antiparallel sheets are given

(a) Parallel sheets composed of fewer than five strands are rare. 

(b) Parallel sheets composed of more than five strands are rare.

(c) Antiparallel sheets may consist of as few as two strands

(d) Antiparallel sheets maynot consist of as few as two strands.

Choose the correct options of the following