8 A molecule will become an ion when which of the following happens?
O When a molecule of ATP is present
o When the surrounding solution is hypertonic or hypotonic
O When it losgf or gains an electron
When the molecule is moving through a semipermeable membrane

Eutrophication caused by human nutrient pollution.

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

In a certain plant, yellow leaves are dominant (y) and red leaves are recessive (y). a plant with genotype yy and a plant with yy are crossed. if they have four offspring, how many would you predict would have red leaves? a: 1b: 0c: 3d: 2