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

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

how did european immigrants of the late 1800s change american society

What new concept did the the American Revolution introduce into the world

A rational number that is equivalent to -20/4?

Can someone plz help me with 11,12,13 plz show work

Which of the following describes a negative feedback loop? When the heart rate is too high, the body sends hormones that continually increase the heart rate hig

1.In one challenge on the Titan Games, competitors have to lift 200 pounds up a long ramp. Angel is able to move the weight in 42 seconds. Anthony gets it done

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

help please paper due tomorrow

What are the best types of evidence to use within the body paragraphs of an argument essay? Unsupported opinions Logical fallacies Visual Aids Facts a

Which condition is indication of a rapid pules breathing low blood pressure and rapid shallow or inadequate breathinga seizure chockingshockpoisoning