A cross-cultural study that examined helping behaviors in 23 large cities around the world found that, in general, people in Rio de Janeiro were most helpful and people in Kuala Lampur were least helpful. From these findings, we know that

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

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