Alkylating agents are electrophilic chemicals which readily add alkyl groups to various positions on nucleic acids. A common example is:

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#Question id: 15170

#Section 6: Plant, Animal and Microbial Biotechnology

Chemoheterotrophs are the bacteria which utilize

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#Question id: 4152

#Section 3: Genetics, Cellular and Molecular Biology

The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?

1.  A chaperone, SecA, binds to the polypeptide.

2.  A chaperone, SecB, binds to the polypeptide.

3.  ATP is hydrolyzed by Sec A.

4.  SecA pushes 20 amino acids of the polypeptide into the translocation complex.

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#Question id: 238

#Section 2: General Biology

Purines which are found mainly in both deoxyribonucleotides and ribonucleotides are

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#Question id: 139

#Section 2: General Biology

 A sequence of amino acids with a relatively high hydropathy is very likely to function by

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#Question id: 19140

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

You have two distantly related proteins. Which of the following matrix is the best for comparing them?