What are the functions of enzymes in a metabolic reaction? choose all that apply aligning the part of the substrate that need to connect it to the form of product
bringing substrates closer together so they are most likely to react
binding ions to form a substrate
lowering the energy it takes for a reaction to occur or speeding up a reaction

How do environmental factors influence genetic traits? a. environmental factors determine all genetic traits. b. environmental factors can determine if a genetic trait becomes a health issue. c. environmental factors are determined by genetic traits. d. environmental factors have no influence on genetic traits. select the best answer from the choices provided

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Why are human population trends difficult to predict?