Which of the following most likely causes the rate of a chemical reaction to increase? decreasing the reaction temperature slowing down the reacting molecules taking away heat from the reaction adding heat to the reaction

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

The response is the basis for vaccination. primary secondary tertiary none of the above

What substance acts to prevent sudden ph changes in bodily fluids?