Match the Che protein in Column I with its primary function in Column II.

Column I (Protein)	Column II (Function)
A. CheA	1. Response regulator that controls motor switch
B. CheY	2. Phosphatase that dephosphorylates CheY
C. CheZ	3. Sensor Histidine Kinase
D. CheR	4. Constitutive Methyltransferase

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#Environmental Science

  Noise pollution mainly affects:

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#Biochemistry

A major advantage of transgenic crops is:

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#Biochemistry

Proteomics primarily deals with the study of:

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#Biochemistry

Which of the following statements are correct?
I. DNA replication occurs in 5′ → 3′ direction
II. Okazaki fragments are formed on lagging strand
III. DNA ligase joins RNA primers

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#Biochemistry

 Regarding non-coding DNA:
I. It includes regulatory sequences
II. It plays no role in gene expression
III. It includes introns and repetitive DNA

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#Biochemistry

Concerning PCR:

I. Denaturation occurs at high temperature
II. Annealing involves primer binding
III. Extension is carried out by RNA polymerase