Andrew believes that the rapid spread of malignant tumors throughout his body resulted from the stress of losing his wife during the past year. it would also make most sense for andrew to attribute the speedy progression of his cancer to his:

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

Dna is colied into chromosomes in a cell

What best explains the inability for life to exist in earth early atmosphere