Choose the true statement(s) about biochemical tests. select all true statements, as there may be more than one correct answer. a. the gram stain is an example of a biochemical test. b. a biochemical test can detect what enzymes a bacterium makes. c. biochemical tests are only performed on pathogens. d. a biochemical test may detect intermediates or end-products in a pathway.

How do forces between particles in gases compare to forces in the other states of matter? o a. the forces in gases are stronger than forces in solids but weaker than forces in liquids. o b. the forces in gases are weaker than forces in solids but stronger than forces in liquids. o c. the forces in gases are weaker than forces in solids and liquids. o d. the forces in gases are stronger than forces in solids and liquids. submit

List four observations that indicate that a chemical reaction may be taking place

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.