jess7214 jess7214

03-05-2016
Biology

contestada

DNA is made of 2 chains of nucleotides. which type of bonds hold the chains rogether?

Respuesta :

EmoAngel EmoAngel

03-05-2016

Hydrogen bonds hold the nitrogen-containing bases of each DNA strand together. Adenine (A) and Thymine (T) are held together by two H-bonds, and Cytosine (C) and Guanine (G) are held together by three.

Answer Link

Otras preguntas

What is the percent of oxygen by mass in a pure sample of fecr2o4? 1. 52% 2. 13% 3. 37% 4. 7.1% 5. 29%?

Discuss the difference between generic and brand name drugs?

Describe how energy is transferred from the sun to producers and then to consumers

With solutions of strong acids and strong bases, the word strong refer to ____. (1 point) normality molarity solubility degree of ionization

A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each one does

Which description properly describes the plant structures involved in photosynthesis? Stomata take in water, sunlight, and carbon dioxide and release oxygen.

The ratio of the sides of two similar octagons is 2:5. What is the ratio of the perimeters of these octagons?

the week before Jack spend 19 1/4 hours doing homework.how long did Jill spend doing homework

Of the substances xe, ch3cl, hf, which has: (a) the smallest dipole–dipole forces? (b) the largest hydrogen bond forces? (c) the largest dispersion forces?

$4,700 principal earning 3%, compounded quarterly, after 11 years. use the formula A=p(1+r/n)nt Answer choices: $213,004.00, $6,505.90, $5,102.62, $6,529.51