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

Determine the # of rollovers and total cost # of rollovers

HUGE REWARD IF ANSWERED Are gender traits completely a result of societal expectations? Explain

omg please help why do i have these weird bumps on both of my arms but i didn’t even do anything i was just laying in bed am i having an allergic reaction to so

On Thursday, 15,218 students were at a museum. On Friday, 4,379 students were at the museum. What is the difference between the numbers of students at the museu

What event led to the creation of the first crime laboratory in Evanston, Illinois

Devya earned $11.50 per hour for 20 hours. If she also earned 5% commission on $2,300 in sales, how much did she earn in all?

(5,-8) and (r,-4); slope: 4 Find r

Suppose that an individual has a body fat percentage of 19.4% and weighs 152 pounds. How many pounds of her weight is made up of fat? Round your answer to the n

Describe the differences in how pollen appears when viewed with the naked eye and under magnification.

what is the predominant texture in the opening of the first movement?