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Flashcards in DNA Deck (27):
1

What is the double helix made of

two strands of nucleotides twisted in a helical shape

2

what is the extra ring of DNA found in bacteria

Plasmid

3

What is DNA made of

Subunits called nucleotides

4

A always bonds with...

T

5

what is the bond between sugars, phosphate, and bases

covalent bond

6

what is a twisted,spiraling shape

helix

7

In each nucleus there are __ thread like peices of DNA

46 thread like pieces of DNA

8

what are the 2 groups of nitrogen bases

Purine and Pyrimidine

9

The nitrogen bases that make up the steps of the DNA ladder are held together with ____ bonds, which are very ___

The nitrogen bases that make up the steps of the DNA ladder are held together with HYDROGEN bonds, which are very WEAK

10

what does DNA stand for

DeoxyriboNucleic Acid

11

What does the Pyrimidine base consist of

Thymine and Cytosine

12

the total 46 pieces is called a ____

genome

13

What are the thread like pieces of DNA called when coiled

Chromosomes

14

DNA is found in all living things in Eukaryotes its found in_____ Prokaryotes is found in the _______

Eukaryotes- DNA is in the nucleus Prokaryotes- Cytoplasm, a plasmid in an extra ring of DNA used 4 bioteachnology

15

What is always paired with thymine

adenine

16

What are the instructions for making proteins

DNA

17

What is DNA that has thickened and coiled

Chromosome

18

What time of macromolecule is DNA classified as?

Nucleic Acid

19

What is a threadlike piece of DNA

Chromatin

20

What is made of 3 parts

nucleotide

21

C always bonds with...

G

22

What does the Purine nitrogen base consist of

Adenine and Guanine

23

Whats a bond between nitrogen bases

hydrogen

24

What do the nitrogen bases make

the rungs(steps) of the DNA ladder

25

What is DNA called when the thread like pieces are relaxed

Chromatin

26

What is a nucleotide made of

1 sugar molecule-deoxyribose 1 phosphate molecule 1 Nitrogen base

27

what is always paired with cytosine

Guanine