The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?

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

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.