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

Which scale factors results in an enlargement of an image along an opposite ray?
What is the remainder when 16055 Is divided by 16? Input numeric values only
If f(x)=x^2+1 and g(x)=3x+1 find 2*f(4)
What was a central goal of Henry Grady’s idea for a New South? (1 point)paying better wages developing industry limiting the crops farmers grew preventing citi
how do cells move potassium ions against a concentration gradient, from a lower concentration to a higher one
The greatest integer function shown below, is defined so that it produces the gretest integer__ or equal to x. f(x)=[ [x] ]
The model of the universe that suggests that the sun is the center of the universe was first brought by A. Brahe. B. Kepler. C. Ptolemy. D. Copernicus.
What kind of imagery did Jonathan Edwards use in his sermons and to what effect?. A) Edwards used imagery depicting the glory of the kingdom of God to increase
What is the sum? 72+(−35)
Which of the following lobes of the brain is correctly paired with its main functions? a. frontal -> advanced mental functions b. temporal -> visual proce