Practice Questions

TLS Online TPP Program

#Question id: 3837

How does the enzyme telomerase meet the challenge of replicating the ends of linear chromosomes?

#Unit 3. Fundamental Processes

It adds a single 5' cap structure that resists degradation by nucleases.
It causes specific double-strand DNA breaks that result in blunt ends on both strands.
It catalyzes the lengthening of telomeres, compensating for the shortening that could occur during replication without telomerase activity.
It adds numerous GC pairs, which resist hydrolysis and maintain chromosome integrity.

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TLS Online TPP Program

#Question id: 19903

#Unit 12. Applied Biology

The capacitive sensors used to measure __________________ ?

TLS Online TPP Program

#Question id: 21283

#Unit 12. Applied Biology

Which one of the following is created by combining fullerenes and carbon nanotubes?

TLS Online TPP Program

#Question id: 2294

#Unit 2. Cellular Organization

________ use such high magnification that even atoms are discernable.

TLS Online TPP Program

#Question id: 23626

#Unit 13. Methods in Biology

To be useful as a vector, restriction enzyme reaction sites should be placed

TLS Online TPP Program

#Question id: 4427

#Unit 3. Fundamental Processes

Insulators