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TLS Online TPP Program
#Question id: 455
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following is correct for a step in a reaction pathway to serve as a control point
A) irreversible B) endergonic C) far from equilibrium
TLS Online TPP Program
#Question id: 18610
#Unit 13. Methods in Biology
In an experiment, it was found that the value of Tm for DNA is 45 ̊C, when cell have 22% GC content at the above Tm, then what will be the effect on the value of Tm if GC% increases to 60%
TLS Online TPP Program
#Question id: 5619
#Unit 5. Developmental Biology
Acrosome intact- sperm and acrosome reacted- sperm bind to which of the zona protein respectively?
TLS Online TPP Program
#Question id: 1716
#Unit 4. Cell Communication and Cell Signaling
Expression of a CD8 α-α homodimer is characteristic of:
TLS Online TPP Program
#Question id: 14899
#Unit 6. System Physiology – Plant
The energy required for active transport is often provided by the hydrolysis of ATP. In plants we can study the dependence of the membrane potential on ATP by observing the effect of cyanide (CN–), What wil be the effect of cyanide(Cn-),
a.) Cyanide rapidly poisons the mitochondria as ATP synthesis is inhibited, the membrane potential falls below -50mV
b.) Cyanide inhibits the electron transport but not inhibit the ATP synthesis, the membrane potential positive
c.) Cyanide inhibits the electrogenic ion transport the pH of the external medium increases while the cytosol becomes acidic because H+ remains inside the cell
d.) Cyanide inhibits the electrogenic ion transport the pH of the external medium acidic while the cytosol becomes alkaline because H+ remains outside of the cell
Which of the following statements regarding effect of cyanide is CORRECT?