Chapter 14: Q. 16 (page 367)
The ends of the linear chromosomes are maintained by
a. helicase
b. primase
c. DNA pol
d. telomerase
Option d is the correct answer.
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The ends of the linear chromosomes are maintained by a. helicase b. primase c. DNA pol d. telomerase
A scientist creates fruit fly larvae with a mutation that eliminates the exonuclease function of DNA pol III. Which prediction about the mutational load in the adult fruit flies is most likely to be correct? a. The adults with the DNA pol III mutation will have significantly more mutations than average. b. The adults with the DNA pol III mutation will have slightly more mutations than average. c. The adults with the DNA pol III mutation will have the same number of mutations as average. d. The adults with the DNA pol III mutation will have fewer mutations than average.
When Chargaff was performing his experiments, the tetranucleotide hypothesis, which stated that DNA was composed of GACT nucleotide repeats, was the most widely accepted view of DNA’s composition. How did Chargaff disprove this hypothesis?
The experiments by Hershey and Chase helped confirm that DNA was the hereditary material on the basis of the finding that: a. radioactive phage were found in the pellet b. radioactive cells were found in the supernatant c. radioactive sulfur was found inside the cell d. radioactive phosphorus was found in the cell .
If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C? a. 27 percent b. 30 percent c. 23 percent d. 54 percent
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