If you have a homozygous b blood female who mates with a heterozygous a blood male , what are the possible blood type of their children? ( human genes)

Which organelle releases chemicals that break down large food particles into smaller ones?

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

In what for do plants utilize nitrogen? why do they need nitrogen?