A huge, major role:
Cells contain chromosomes which contain genes which contain DNA!
DNA can be said to be the most important part for us - it is the genetic code which makes up our body - it describes how we move, how we look, how we do everything!
storing sugar and providing structure
storing sugar and providing structure
Enzymes act as catalysts of chemical reactions
Hair and nails are not living although the nail bed and hair follicle form which they are generated is a living cell. Similarly the bony bit of teeth is not living, but the pulp in the core of a tooth is made of living cells.
There are twenty amino acids, of which around half are made in the body. The other 10 are called 'essential amino acids', because they cannot be formed in our cells, so we must take them in, in our diet.
All living things, ie. plants and animals are made up of cells that have different roles to play to keep an organism functioning. These cells are microscopic, so too study them and enhance our understanding of living things and how they function, we need a microscope.
storing sugar and providing structure
storing sugar and providing structure
storing sugar and providing structure
In living organisms, nucleotides play important roles in metabolism and signaling.
In living organisms, nucleotides play important roles in metabolism and signaling.
storing sugar and providing structure
scientificly its called "dont be a DUMB A**!"
Read your text book!
storing sugar and providing structure
storing sugar and providing structure
Enzymes act as catalysts of chemical reactions