#Question id: 3773
#Unit 3. Fundamental Processes
DNA contains the template needed to copy itself, but it has no catalytic activity in cells. What catalyzes the formation of phosphodiester bonds between adjacent nucleotides in the DNA polymer being formed during DNA replication?
#Question id: 3774
#Unit 3. Fundamental Processes
Use the figure to answer the following question. Referring to the figure, what bases will be added to the primer as DNA replication proceeds?
#Question id: 3775
#Unit 3. Fundamental Processes
What are telomeres?
#Question id: 3776
#Unit 3. Fundamental Processes
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?
#Question id: 3777
#Unit 3. Fundamental Processes
Which of the following types of cells are affected most by telomere shortening?
#Question id: 3778
#Unit 3. Fundamental Processes
Which of the following effects might be caused by reduced or very little active telomerase activity?