4. Chargaff's research had shown that there are four monomers in DNA, in which two are always present in equal

amounts and the other two are always in equal amounts. We know that these monomers are the

of DNA.

Adenosine Triphosphate ATP is an example of

Explain how your model demonstrated energy transformation from thermal energy to mechanical energy during a volcanic eruption. (I mixed warm water, vinegar, and baking soda)

Where does the left ventricle pump blood to?

In some third world countries "cyanide fishing" for aquarium trade is allowed. Cyanide fishing uses the cyanide to "stun" fish and make them easy to catch.

What is the difference between Darwin and Lamarck's view of evolution?

if research is restricted. then the new discoveries made are limited. which action is most likely to increase the number of discoveries scientist can make?

Which statement about nuclear fission is false? a: nuclear fission takes place in the core of the stars b: the fuel for nuclear fission is often uranium c: nuclear fission releases large amount of energy d: nuclear fission is used to generate

Some monkey flowers (Mimulus guttatus) living near the sites of copper mines can grow in soil containing high concentrations of copper, which is toxic to most plants. Copper tolerance is a heritable trait. Select the three statements that are true.

The lowest level of environmental complexity that includes both living and nonliving factors is the A: Biome B: Community C: Ecosystem D: Biosphere

Which part of the endocrine system is located in the middle of the brain