Which of the following occurs during prophase? A) The DNA condenses and the nuclear membrane breaks

B) The chromosomes line up in the center of the cell.

C) The sister chromatids separate

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

Using the periodic table, determine which material is most likely a good conductor

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.