TLS Online TPP Program

#Question id: 1157


When the regulatory domain of PKA is bound to cAMP:

#Unit 4. Cell Communication and Cell Signaling
  1. the released catalytic subunit travels to the nucleus where it can phosphorylate CREB.

  2. the catalytic subunit acts on CRE to stimulate gene transcription.

  3. the AKAP adaptor protein sequesters the catalytic subunit.

  4. PDE is inhibited to cause cAMP levels to rise.

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TLS Online TPP Program

#Question id: 28095

#Unit 6. System Physiology – Plant

Which of the following proteins are directly involved in various nonphotochemical quenching (NPQ)    
(a) PSBS
(b) PSBA
(c) PSBB
(d) violaxanthin de‐epoxidase
Which of the following is correct 

TLS Online TPP Program

#Question id: 28096

#Unit 6. System Physiology – Plant

Buildup of a acidic thylakoid ΔpH in the presence of excess light resulting the thylakoid lumen activates an enzyme that converts violaxanthin into zeaxanthin which is 

TLS Online TPP Program

#Question id: 28097

#Unit 6. System Physiology – Plant

Asada-Halliwell pathway protects plants against oxidative stress during unfavorable environmental growth regimes 
a. Also known as The ascorbate-glutathione pathway 
b. Involved only enzymatic reaction 
c. Involved both enzymatic as well as non enzymatic reation 
d. Is an indispensable component of the ROS homeostasis mechanism of plants
Which of the following is correct

TLS Online TPP Program

#Question id: 28098

#Unit 6. System Physiology – Plant

The biosynthesis of chlorophylls and heme begins with the synthesis of

TLS Online TPP Program

#Question id: 28151

#Unit 1. Molecules and their Interaction Relevant to Biology

Technique based on atomic properties is NMR, NMR Provides Information on an

TLS Online TPP Program

#Question id: 28152

#Unit 1. Molecules and their Interaction Relevant to Biology

Q. NMR signals arise from some properties of atomic nuclei, which are
A. Magnetic moment
B. Angular momentum of the nuclear spin
C. Electronic range
D. Resistivity
Which of the following is true