Radioactive dating of fossils and rocks is possible because radioactive isotopes

Which of the following explains the relationship between genes and chromosomes? A. Chromosomes come in different versions called genes. B. Genes come in different versions called chromosomes. C.

3. Is it possible to determine the DNA sequence from the following amino acid sequence: Leu Pro Arg? Why or Why not

Which elements makes up most of earth's atmosphere

What is the importantance of DNA replication to all living organism

What factors influence the input and output of carbon through Earth's spheres? The oceans on Earth act as carbon sinks. The combustion of fossil fuels contributions to an increase in atmospheric carbon dioxide.

What makes up a biological community?

Which of these describes the Earth's outer core? A: Hot Solid B: Cold Liquid C: Cold Liquid D: Hot Liquid

If ice we're, like most other substances, more dense than it's liquid form, what would this mean for bodies of water that freeze in the winter? What would happen to the organisms that live in them?

give three examples of a stimulus and a possible response in humans

An acute staphylococcal infection with blister-like lesions containing millions of virulent bacteria is known as