One side of a glass tank contains 40% helium and the other side of the tank contains 20% helium. The sides are connected by a tube that the molecules are free to cross. What happens next? Explain what happens net by describing what the molecules do

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6

How are mitosis and meiosis similar?