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

Tectonic plates are a part of the a. mantle b. outer core c. lithosphere d. asthenosphere
the battle of lexington was part of a strategy by the british to suppress the colonists by
Which of the following countries was most isolated from medieval Japan? India China Korea Russia
The particles that make up a liquid move a. more quickly b. more slowly than a gas.
A homogeneous mixture is a mixture in which the composition is not uniform throughout. a. true b. false
_______ is a romantic language. (points : 1) german swedish english french
What is the value of y^-5 and x^-3 for x = 2 and y = -4? answers A. 10/3 B. 128 C. -1/128 D. -128
The best approach to resolving body shape issues is to a. change the body you have. b. love the body you have. c. eat less and lose weight. d. pump iron and
Which shows all the names that apply to the figure? A. parallelogram and rectangle B. parallelogram, rhombus, and rectangle C. parallelogram, rectangle, an
What is produced from the third stage of cellular respiration, the electron transport chain?