For the separation of which of the following substances, Gas-solid chromatography is being used?

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#Question id: 12483

#Unit 2. Cellular Organization

ATM and ATR are protein kinases that become activated following specific types of DNA damage. 

A. ATM becomes activated in response to double‐strand breaks, which are detected by the MRN protein complex. 

B. ATR becomes activated by protein‐coated ssDNA that forms when replication forks become stalled or the DNA is being repaired after various types of damage.

C. ATR phosphorylates and activates the checkpoint kinase Chk2, which phosphorylates p53. D. ATM phosphorylates and activates the checkpoint kinase Chk1, which phosphorylates and inactivates the phosphatase Cdc25.

Which of the following combination is incorrect?

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#Question id: 29027

#Unit 11. Evolution and Behavior

Which of the following is not the characteristics of fixed action pattern?

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#Question id: 18861

#Unit 13. Methods in Biology

Which component of the compound microscope aids in the collecting and focussing of light rays on the material to be examined?

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#Question id: 11345

#Unit 2. Cellular Organization

Which enzyme of citric acid cycle present in inner membrane of mitochondria?

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#Question id: 3725

#Unit 3. Fundamental Processes

What is the function of the primosome?