Which scientist conducted tests on extracts made of bacteria to show that the genetic material in bacteria is dna? a. martha chase b. oswald avery c. frederick griffith d. alfred hershey

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

As a small change in a person's dna can cause a genetic disorder

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low