Acell biologist treated some cells with a stain. she found that the stain was concentrated within the mitochondria of many types of cells. which conclusion could the cell biologist draw regarding the results of this test? a. the stain could be used to identify mitochondria in living cells b. the stain could be used to determine if cells were alive or dead. c. all stains will be absorbed by mitochondria. d. all mitochondria create stains.

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

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the