Describe the DNA base sequence arrangement at the end of the Tetrahymena chromosome and the resolution of DNA replication at the end of a linear DNA strand
What will be an ideal response?
Telomeres terminate in a 5?-TTGGGG-3? sequence, and telomerase is capable of adding repeats to the ends, thus allowing the completion of replication without leaving a gap and shortening the chromosome following each replication.
You might also like to view...
Photoautotrophs use light energy directly for
A. the reduction of carbon dioxide to glucose. B. the production of ATP and NADPH. C. both the production of ATP and NADPH and the reduction of carbon dioxide to glucose. D. neither the production of ATP and NADPH nor the reduction of carbon dioxide to glucose.
If looking to discover a new organelle, which are located inside the cell, what kind of microscope must be used?
a. brightfield microscope b. transmission electron microscope c. scanning electron microscope d. compound light microscope.
The existence of a separate set of enzymes and DNA molecules in mitochondria and chloroplasts
provide support for serial endosymbiosis. __________________Indicate whether the statement is true or false.
How might a patient who is not being treated with an antibiotic still be exposed to an antibiotic?
A) Health care workers being treated with antibiotics may pass the antibiotic on to the patient. B) Antibiotics can be used in aerosols, thereby entering the environment. C) Visitors currently being treated with antibiotics can pass them on to the patient.