London, England is at (Greenwich Mean Time) GMT. Perth, Australia is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Perth is 8 hours ahead oâ¦f London. During the Northern Hemisphere summer, London, England is at (British Summer Time) BST. Perth Australia is (British Summer Time) BST +7 hours. Perth is 7 hours ahead of London during the Northern Hemisphere summer.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. A change in the nucleotide sequence of DNA is called a mutation. A change in the nucleotide sequence of DNA is called a <b>mutation</b>.
A mutation is a permanent change in the DNA sequence of a gene. Mutations in a gene's DNA sequence can alter the amino acid sequence of the protein encoded by the gene. How d â¦ oes this happen? Like words in a sentence, the DNA sequence of each gene determines the amino acid sequence for the protein it encodes.ranslocation refers to movement of sugars which are  dissolved in the phloem while transpiration re â¦ fers to the process  through which water is moved from the roots to the stomata through  the xylem.