(a) It is a computer network in which users can access a shared pool of computing resources through a service provider.

(b) It is a private computer network of an organisation where the remote users can transmit encrypted information through the server of the organization.

(c) It is a computer network across a public internet that provides users access to their organization's network while maintaining the security of the information transmitted.

(d) None of the above statements

(a) a range of enzymes used in genome editing

(b) the description of the mechanism of gene expression

(c) the full range of mRNA molecules expressed by an organism

(d) a mechanism of genetic mutations taking place in cells

(a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species

(b) A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory

(c) Pieces of artificial functional DNA can be created in laboratories

(d) Cells taken out from plants and animals can be made to undergo cell division in laboratory petri dishes