4.5 dna Flashcards
1
Q
what does DNA stand for?
A
deoxyribonucleic acid
2
Q
what is DNA?
A
the chemical that makes up our genes and chromosomes; it is the material we inherit from our parents
3
Q
what is the DNA molecule made up of?
A
two long strands, each with a series of bases arranged along it, held together by bonds, and then twisted together into a spiral called ‘helix’
4
Q
what are the four kinds of bases?
A
A, C, G, T
5
Q
which bases link with which?
A
T and A; C and G
6
Q
what does the sequences of the bases in our DNA provide?
A
it provides a code that is used to determine the kinds of proteins that are made in our cells; determines how our cells, tissues and organs develop
