Why is the helical configuration of DNA important?
a. Permits purines and pyrimidines to bond
b. Permits transcription of DNA by RNA polymerase
c. Stabilizes the molecular structure
d. Prevents occurrence of protein structural abnormalities (e.g., point mutations, translocations)
ANS: C
The helical configuration of DNA, where the strands twist, stabilizes the DNA molecule and protects the bases from the environmental damage.
You might also like to view...
Demand valve devices have fallen out of favor because of the risks of __________________ __________________ and __________________
Fill in the blank(s) with correct word
Which of the following is the most appropriate action of the medical assistant before using a new day sheet?
a. Put all ledger cards on the sheet in order to be seen. b. Place charge slips alongside the day sheet. c. Forward balances from the previous day. d. Pull ledgers from the storage file when patients are seen.
A patient comes into the hospital with postpartum hemorrhage. She delivered two weeks prior on a previous admission. The service she is categorized under is ____
A) obstetrics - not delivered B) medicine C) obstetrics - delivered D) hematology
In reimbursement, the health care provider is known as the ________ party.
A. Second B. First C. Fourth D. Third