Which is an advatage of sexual reproduction over asexual production? a. increased number of organisms and decreased genetic variation b. increased genetic variation c. doesnt require an organism to fine a mate d. decreased genetic variation e. decreased genwtic variation and decreased number of organisms

If the first nucleotide after the promoter on the bottom dna strand in the simulation is changed from c to t, what would the resulting nucleotide be on the mrna? test your prediction by making the change and running the simulation.

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

When analyzing tree rings, what do scientists assume a thin ring indicates?