When cells are veryclose to one another, some of the mol-ecules on the cellsâ plasma membranesmay bind together in specific ways.Many of the important interactionsbetween cells in early developmentoccur by means of direct contact be-tween cell surfaces (figure 7.3 a).ecause these proteins may constituteless than 0.01% of the total mass of protein in a cell, puri-fying them is analogous to searching for a particular grainof sand in a sand dune! However, two recent techniqueshave enabled cell biologists to make rapid progress in thisarea. 7.1 Cells signal one another with chemicals.
The Maenads (pronounced Maynads) were female revelors in the cult of Dionysus. The god's frenzied Thracian worshippers, the Maenads, accompanied Dionysus on his travels crowned with wreaths of ivy, oak or fir and draped in the skins of animals.
They concern the male reproductive organs. *UPDATED* although gonads are used commonly as a slang word for testes, the scientific meaning is â¦ the organ that creates gamates, which is found in both males and females.On a male this is the testes, and on the female this is the ovaries.8 people found this useful.UPDATED* although gonads are used commonly as a slang word for testes, the scientific meaning is â¦ the organ that creates gamates, which is found in both males and females.