Meiosis: cell division into four daughter cells (each has half the number of chromosome of the parent cell)
mitosis: cell division that results in two daughter cells (each has the same number and type of chromosomes as the parent cell)
The answer would be the first one
Lipids are NOT made of nucleotides. Nucleotides are the building block for nucleic acid, if that answers your question.
To identify the host cell that has taken up the gene of interest