DNA Flashcards
1
Q
where is DNA found?
A
in the nucleus
2
Q
what is DNA?
A
molecule inside cells that contain the genetic information responsible for the development and function of an organism
3
Q
what are the bases in DNA?
A
A, G, C, T
4
Q
how do the bases pair up?
A
A-T, C-G
5
Q
how are the DNA strands held together?
A
weak hydrogen bonds between pairs of bases
6
Q
what is the structure of DNA?
A
-double helix
-two strands of chromosomes coiled together
-held by weak hydrogen bonds
-complementary bases of A-T or C-G
7
Q
how to extract DNA from fruit?
A
- grind the fruit with sand using a pestle and mortar to separate cells
- add a detergent to break open membranes
- add ice-cold alcohol so the DNA precipitates out
8
Q
what is DNA made of?
A
polymers that are made up of many monomers called nucleotides joined together
