During gaseous exchange terrestrial mammals breathe in (a) air and breathe out carbon dioxide (b) oxygen and breathe out carbon dioxide (c)air with with a high concentration of oxygen and breathe out carbon dioxide (d)air with a high concentration of oxygen, and breathe out air with a high concentration of carbon dioxide

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

How is transcription similar to translation in terms of base pairing?