Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?

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#Question id: 223

#Section 2: General Biology

Which coenzyme links to a lysine residue in a proteinʹs active site?

A) biotin

B) lipoic acid (lipoamide)

C) pyridoxal phosphate

D) biotin and pyridoxal phosphate only

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#Question id: 3344

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements is NOT correct regarding effect of genetic drift?

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#Question id: 19907

#Section 5: Bioprocess Engineering and Process Biotechnology

When two populations compete for a single growth limiting substrate in a continuous fermenter, which organism would not be washed out?

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#Question id: 10802

#Section 6: Plant, Animal and Microbial Biotechnology

Condensed tannins are the polymerizing subunits of__

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#Question id: 8914

#Section 6: Plant, Animal and Microbial Biotechnology

Which of the following is (are) unique to animals?