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1. Circular2) Polycistronic (genes can be expressed together)3) No introns/no splicing of genes4) Does not form chromatin (although explain to student that this is an oversimplification, prokaryotes do...

DNA (deoxyribonucleic acid) is a polymer made up of two nucleotide chains held together by hydrogen bonding between nucleotides in a double helix shape.
A nucleotide is made up of a deoxyribose sugar...

Enzymes are specific: meaning that an enzyme's active site is complementary to a particular substrate. In the lock and key hypothesis, a substrate that is complementary to the enzyme binds to the enzyme's...

1. detoxification: liver cells contain enzymes which break down toxins for example catalase, this enzyme is responsible for converting toxin hydrogen peroxide into water and oxygen. enzymes can detoxif...

-Primary structure is the number and sequence of amino acids in a polypeptide.-The secondary structure of a polypeptide is the formation of alpha helices and beta- pleated sheets stabilised by hydrogen bo...