Practice Questions

TLS Online TPP Program

#Question id: 15717

In The Origin of Species, Darwin propounded two major hypotheses:

#Unit 11. Evolution and Behavior

that organisms have descended, with modification, from common ancestors; and that the chief cause of modification is natural selection acting on hereditary variation.
that organisms have descended, with modification, from separate ancestors; and that the chief cause of modification is natural selection acting on hereditary variation
“facts” are in some cases simple, confirmed observations; in other cases, a “fact” is a hypothesis that has acquired so much supporting evidence that we act as if it is true.
A body of ideas about the causes of evolution

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TLS Online TPP Program

#Question id: 24435

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following factors dictates to makes ensure the rotation of the c ring is essentially unidirectional.

TLS Online TPP Program

#Question id: 24436

#Unit 1. Molecules and their Interaction Relevant to Biology

As the number of rings increasing in C subunit per NADH yield of ATP

TLS Online TPP Program

#Question id: 24437

#Unit 1. Molecules and their Interaction Relevant to Biology

If bovine mitochondria have 8 c subunits per c ring, what is the predicted ratio of ATP formed per NADH oxidized?

TLS Online TPP Program

#Question id: 24438

#Unit 1. Molecules and their Interaction Relevant to Biology

The molecular structure of the mitochondrial ATP synthase has been determined by

TLS Online TPP Program

#Question id: 27226

#Unit 1. Molecules and their Interaction Relevant to Biology

The Protein Components of the Mitochondrial Electron-Transfer Chain match them correctly with their prosthetic groups

TLS Online TPP Program

#Question id: 27941

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the following statement are made regarding the Enzymes of glycolysis along with their Coenzyme (s) or Cofactor (s) and Inhibitor (s)

a. Phosphoglucoisomerase having Mg2+ as Cofactor and can be inhibited by 2-deoxyglucose 6-phosphate

b. Aldolase having Zn2+ as Cofactor, can be inhibited by Chelating agents

c. Enolase having Mg, Mn22+ Cd2 as Cofactor, can be inhibited by Fluoride + phosphate

d. Phosphofructokinase having NAD as Coenzyme can be inhibited by Iodoacetate

Which of the following is correct