Adialysis bag contains a solution of 0.20 m cacl2. the bag is placed into a beaker
which contains a 0.20 m solution of glucose. if the dialysis bag is impermeable to
both cacl, and glucose, but permeable to water will water move into or out of the
dialysis bag. justify your answer.

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

The two main stages of cell division are called