DNA

Question 1

DNA ia a molecule that holds what

Answer 1

Gentic information

Question 2

Each cell in oour body has the same ………. in it

Answer 2

DNA

Question 3

A strand in DNA hold all the infomation for what

Answer 3

The entire body

Question 4

Wht does DNA stand for

Answer 4

Deoxyribose nucleic acid

Question 5

DNA is a molecule that is called what

Answer 5

Polymer

Question 6

A polymer has many repeated units called what

Answer 6

Nucleotides

Question 7

A nucleatide is mad of what 3 things

Answer 7

1. Five carbon sugar
2. Phosphate
3. Organic base

Question 8

The five carbon sugar has to always be

Answer 8

Deoxyribose

Question 9

There are 4 organic base name them

Answer 9

Cytosine, guanine, adenine, thymine

Question 10

The phosphate of sugar of adjacent nuclotide toined together by what reaction

Answer 10

Condensation reaction

Question 11

When a condensation reaction occurs what does it form

Answer 11

A long polymer strand

Question 12

DNA has how many strands

Answer 12

2

Question 13

The 2 polynucleotide strand that are what to each other

Answer 13

Upside down relative to the strands

Question 14

The organic bases bond together by what

Answer 14

Hhydrogen bonds

Question 15

Name which organic bases bond with each other with what

Answer 15

Cytosine - guanine 3 hydrogen bonds

Adenine - thymine 2 hydrogen bonds

Question 16

How is a double helix formed

Answer 16

2 polynucleotide twist with each other to form the shape