When inactive, the alpha subunit of the g-protein is bound to

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

sorry, but you do not have posted the diagram.

the answer is d.) homologous; have mammary glands

i would say it is