Ineed ! 99pts! “before a chemical reaction can occur, the reactant molecules must collide with a certain amount of energy and with a certain orientation.” record the speed of the reaction rate for the number of players present in the activity: 3 __ 6 __ 10 __ does every collision cause a reaction? why tab: the temperature of a solution is a measure of the average the molecules in the solution. the higher the temperature, the faster the molecules are moving. what effect do you think temperature will have on the speed of the bicarbonate reaction?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

What is the compliment dna strand to the following sequence: ttgactaggcta

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.