Write true or false. 1. Genes are found in the nucleus of a cell. 2. Each parent contributes 23 pairs of chromosomes. 3. There are hundreds of DNA strands in each chromosome. 4. Genes are located on the chromosomes.

How do adaptation affect a species?

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin