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TLS Online TPP Program

#Question id: 4219

Which of the following statements correctly describes Archibald Garrod's hypothesis for how "inborn errors of metabolism" such as alkaptonuria occur?

#Unit 3. Fundamental Processes

  1. Metabolic enzymes require vitamin cofactors, and affected individuals have significant nutritional deficiencies.

  2. Enzymes are made of DNA, and affected individuals lack DNA polymerase.

  3. Certain metabolic reactions are carried out by ribozymes, and affected individuals lack key splicing factors.

  4. Genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes.

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TLS Online TPP Program

#Question id: 29457

#Unit 6. System Physiology – Plant

Covalent conjugation of amino acids to IAA can also result in permanent inactivation (storage or degradation), here certain combination is given (∧ shows conjugation)
a. IAA ∧ myo-inositol/Gluc/Ala/Leu/Me ---Reversible (storage)
b. IAA ∧ myo-inositol/Gluc/Ala/Leu/Me ---irreversible (degradation)
c. IAA ∧ oxIAA/GH3-Asp-Glu/3-Methyleneoxidole ---Reversible (storage)
d. IAA ∧ oxIAA/ GH3-Asp-Glu/3-Methyleneoxidole---irreversible (degradation)

Which of the following is correctly paired
TLS Online TPP Program

#Question id: 29458

#Unit 6. System Physiology – Plant

Which of the following is an essential for AUXIN transport in cell called as chemiosmotic model of auxin transport
TLS Online TPP Program

#Question id: 29459

#Unit 6. System Physiology – Plant

Which of the following protein involved in nondirectional auxin movement in shoot and root tip
TLS Online TPP Program

#Question id: 29460

#Unit 6. System Physiology – Plant

Naturally occurring auxin transport inhibitors are___
a. 1-NOA (1-naphthoxyacetic acid)
b. Quercetin (flavonol)
c. Genistein
d. NPA and TIBA
Which of the following is correct
TLS Online TPP Program

#Question id: 29461

#Unit 6. System Physiology – Plant

Which of the following are involved in inhibiting auxin efflux
a. NPA
b. IBA
c. flavonol
d. Cytochalasin D
Which of the following is correct
TLS Online TPP Program

#Question id: 29462

#Unit 6. System Physiology – Plant

Auxin-induced proton extrusion performs
a. Acidification the cell wall 
b. Alkalisation of the call wall
c. Increases cell extension
d. Decrease in cell extension
Which of the following is correct