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

You have just obtained the 3d structure of a newly discovered protein. when you investigate it on the computer, you find that it has 10 alpha helix that are for
the height h of a falling object t seconds after it is dropped from a platform 300 feet above the ground is modeled by the function h(t) =300-16t^2. Which expre
locate fractions greater than 1 on a number line
which is greater 7/3 or 5/2? How do you know
Identify the four basic categories of hardware in a microcomputer system. system unit, modem, ram, and microprocessor system unit, input/output, secondary stora
Please help. Thank you :)
What made the united states and the soviet union emerged from the war as super powers?
Which tribe should not be included among the plains indians? a. the cheyenne b. the arapaho c. the sioux d. the yurok?
How do you calculate angles on parallel lines
Evaluate each expression for the given value of the variable 60 over m;m=5