The ability of certain specifically shaped molecules to attach to a cell is primarily determined by the... 1. Receptor molecules in the cell membrane
2. Amount of DNA in a cell
3. The cytoplasm of the cell
4. Concentration of salts outside the cell

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins