Mixotrophic: many purple nonsulfur bacteria 1. No oxygen: photoorganotrophic heterotrophs 2. Normal oxygen: oxidize organic molecules and function chemotrophically 3. Low oxygen: photosynthesis and oxidative metabolism
Mixotrophic: many purple nonsulfur bacteria 1. No oxygen: photoorganotrophic heterotrophs 2. Normal oxygen: oxidize organic molecules and function chemotrophically. 3.Low oxygen: photosynthesis and oxidative metabolism
Nutrient molecules frequently cannot cross selectively permeable plasma membranes through passive diffusion and must be transported by one of three major mechanisms involving the use of membrane carrier proteins
Nutrient molecules frequently cannot cross selectively permeable plasma membranes through passive diffusion and must be transported by one of three major mechanisms involving the use of membrane carrier proteins. Uptake of nutrients