Ablock of iron is in a glass of water and both the iron and water are the same temperature, describe the energy transfer between the water and iron

In all living cells dna controls cellular activities by

When the mercury level in a barometer decreases that atmospheric pressure has

Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.