what must happen before a chemical reaction can begin?
the activation energy must be exceeded.
the activation energy must be reached.
the concentrations of products and reactants must be equal.
the concentration of reactant molecules must be reduced

For their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.