Dna and Rna

Question 1

The three parts of a DNA nucleotide are…

Answer 1

*phosphate group
* nitrogenous base
* sugar

Question 2

Every DNA and Rna polymer consists of multiple ______ strung together into extremely long _____.

Answer 2

Nucleotides
Chains

Question 3

The only variation in each nucleotide is the ____ of the nitrogenous ____.

Answer 3

Identity
Base

Question 4

There are only ____ different nitrogenous _____ found in all _____ ____

Answer 4

5
Bases
Nucleic acids

Question 5

The four bases of DNA are…..

Answer 5

Adenine
Thymine
Cytosine
Guanine

Question 6

The abbreviations are..

Answer 6

A T C G

Question 7

In RNA, you can’t find the base…

Answer 7

Thymine

Question 8

In RNA, thymine is replaced with ____

Answer 8

Uracil

Question 9

Each nitrogenous base of one of the DNA strands must be ____ ___ with another _____ on the opposite strand

Answer 9

Paired up
Base

Question 10

Adenine is paired with a _____

Answer 10

Thymine

Question 11

Each cytosine is paired with a ____

Answer 11

Guanine

Question 12

The bases fit together _____ from one strand to ___ ____ and are also held together by ____ _____.

Answer 12

Perfectly
The other
Hydrogen bonds

Question 13

The A - T pair has ____ hydrogen bonds

Answer 13

2

Question 14

The C-G pairing contains ____ hydrogen bonds.

Question 15

DNA has a ______ ______ structure

Answer 15

Double helix