rebeshyaba9ils
rebeshyaba9ils rebeshyaba9ils
  • 02-06-2016
  • Chemistry
contestada

The nitrogenous bases cytosine and thymine are
a. purines.
b. a phosphate group.
c. a sugar group.
d. pyrimidines.

Respuesta :

isaackz97
isaackz97 isaackz97
  • 03-06-2016
Purines are adenine and guanine. So the answer should be D (Pyrimidines). besides, phosphate group and pentose sugar are a part of a nucleotide.
Answer Link

Otras preguntas

Select the correct answer from each drop-down menu. A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA th
Bean Manufacturing reported the following information for 2016: Operating expenses are: Salaries, $100,000; Depreciation, $40,000; Rent, $20,000; Utilities, $28
Technician A says that the neutral safety switch must be bad and should be replaced. Technician B says that the neutral safety switch could require adjustment.
Read the excerpt from Levitt and Dubner’s Freakonomics. In the beginning, Feldman left behind an open basket for the cash, but too often the money vanished. The
what is the capital of pennsylvania
How many total people were in this survey ? ~plz help I cannot get this wrong !
When the President meets with the commander of the Navy which role is he exercising?
When did the battle of Antietam take place
What principle was establish. Which case was the Supreme Court’s first ruling on the Establishment Clause? ed in the school-sponsored prayer case of Engel v. V
Free 30 points if jimmy has 6 apples and he needs to eat them in 8 hours, how long should he eat each one for?