revision science

?
  • Created by: boat1333
  • Created on: 16-05-21 13:02
what is an exothermic reaction?
a chemical reaction that releases energy
1 of 9
what is a hydrocarbon?
contains only hydrogen and carbon only
2 of 9
what is DNA
the material inside the nucleus of cells that carry the genetic information of a living being
3 of 9
what does DNA stand for?
deoxyribonucleic acid
4 of 9
what is another word for combustion
burning
5 of 9
how many chromosomes are in each cell?
46
6 of 9
what are chromosomes?
in a cell nucleus , DNA is organized into coiled strands called chromosome
7 of 9
what is heredity
genetic information that determines an organisms characteristics passed on from one generation to the next.
8 of 9
what is a gene?
the basic unit of genetic material which is inherited from our parents. a section of our DNA which controls part of a cells chemistry
9 of 9

Other cards in this set

Card 2

Front

what is a hydrocarbon?

Back

contains only hydrogen and carbon only

Card 3

Front

what is DNA

Back

Preview of the front of card 3

Card 4

Front

what does DNA stand for?

Back

Preview of the front of card 4

Card 5

Front

what is another word for combustion

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all inheritance resources »