What is the definition of lackadaisical?

Which units ate used to measure both velocity and speed? check all that apply

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?