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A copy of the gene to be coded in DNA is made from messenger RNA (mRNA). mRNA travels out of the nucleus and attaches to a ribosome. The ribosome joins amino acids together in the order determined by mRNA...

Explain the use of proteins as enzymatic catalyats - including examples.

Enyzmes control metabolic pathways - such as in the Krebs cycle.

Proteins/enzymes in photosynthesis - with examples.<...

Extracellular digestion is a process in which an organism feeds by secreting enzymes through its cell membrane and on to the food. These enzymes then catalyse the breakdown and the digestion of the food. ...

avoli are small chambers that branvh off from the bronchioles in the lungs, and is where gas exchange directly occurs. these have quite an ireegular shape and contain many fold in its structure, this allo...

-Antibiotics kill individual bacterial cells. Random mutation of the DNA in a bacterial cell might confer antibiotic resistance to that bacterial cell. A cell with the resistance mutation is less likely t...