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

Sim Q.2 Explain the terms given below. 1. Literacy 2. Age structure 3. Population composition

A company's stock was selling at $20 a share. A month later, it was selling at $26 a share. What is the percent gain?

I need help for this question.

Carlos earns $3.50 a day on his paper route. He runs the route 7 days a week. What percentage of his monthly income is $3.50?

What is the length of chord sy in OP below? A. 3.2 units B. 3.5 units O c. 7 units O D. 6.4 units

The options are: 1. Louisiana 2. Senegambia 3. France For the second one it’s: 1. Code Noir 2. Company of indies 3. Code Maroon The third is: 1. Maroons

A farmer ships pears in crates that weigh 4.5 lb each when empty. Each pear weighs 0.25 lb. The total weight of a crate filled with pears is 44.5 lb. Write a wo

electrons of the outermost energy level

Ray is buying some ginger roots to brew some fresh ginger ale. The price of the ginger root is g, and Ray has a coupon for 10% off. Match the expressions to the

You ..... pick up your trash even if it's only if it's piece of paper. It's not required,but it's the right thing to do