TLS Online TPP Program

#Question id: 813


Which of the following does NOT impose limits on protein folding?

#Unit 1. Structure and Function of Biomolecules
  1. ability of side chains to form hydrogen and ionic bonds

  2. backbone sequence of the polypeptide

  3. rotations of the planes around the peptide bonds

  4. size of side chains

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TLS Online TPP Program

#Question id: 29505

#Unit 6. System Physiology – Plant

Cicutoxin is produced by plant as constitutive chemical defenses which is
a. Produced by Hemlock (Cicuta sp.) 
b. Is  a polyacetylene
c. Involved in repolarization of neuronal action potentials
d. Involved in the suspension of all muscular activity

Which of the following is true regarding Cicutoxin

TLS Online TPP Program

#Question id: 29506

#Unit 6. System Physiology – Plant

The active principle in foxglove (Digitalis sp.) is cardinolide digitoxin  is a
a. cardiac glycoside 
b. that activate ATPase activity 
c. that inhibits ATPase activity 
d. can increase myocardial contraction

Which of the following is not true regarding digitoxin

TLS Online TPP Program

#Question id: 29507

#Unit 6. System Physiology – Plant

δ-Cadinene, Longifolene, Abietic Acid, Terpinolene, and -Pinene are the resin terpenoids that often contain cardiac glycosides produced by

TLS Online TPP Program

#Question id: 29508

#Unit 6. System Physiology – Plant

Conifer resin ducts produces different terpenes and resin acids which are released immediately upon damage by herbivores these are

 Column A Column B
 a. bicyclic monoterpenes 1. limonene and terpinolene
 b. monocyclic terpenes 2. α-pinene and β-pinene
 c. tricyclic sesquiterpenes 3. longifolene, caryophyllene, and δ-cadinene 

Match them correctly with their example

TLS Online TPP Program

#Question id: 29509

#Unit 6. System Physiology – Plant

Which of the following is responsible to change the pheromonal behaviour of aphids

TLS Online TPP Program

#Question id: 29510

#Unit 6. System Physiology – Plant

Which one of the following secondary metabolites is produced by  Members of the Brassicales and characterised by a sulphur-containing organic compounds derived from glucose and an amino acid?