Micro-organisms: Function, Form and Environment

actinomycetes activity agar agents algae amino acids anaerobic animals antibiotics antibody antigens autotrophs Bacillus bacteria bacterial cell bacterium biosynthetic body carbon cause cell wall cellulose cent chain chemical chromosome coli colonies complex compounds concentration contain culture cytoplasm effect electron enzymes eukaryotic factors fermentation filamentous flagella flagellates flora formation fungal fungi fungus gene genera genetic germination Gram-negative Gram-positive grow growth host cell hyphae infected known lactose large number layer material medium membrane metabolic micro-organisms microbial microscope molecular molecule motile mutants mycelium nitrogen normal nuclear nucleic acid nutrients occur organisms oxidation parasites particles pathogens pathway phage pigments plant polypeptide polysaccharides present produce prophage protein protozoa reaction recombination replication result single soil species spores sterilization strains structure substances substrate surface synthesis temperature tion tissue types usually vacuoles vegetative virion virus viruses vitamins yeasts