Where does the oxygen that is used during cellular respiration in animals come from?
A. ATP molecules in a mitochondrion
B. Air that is breathed in
C. Water molecules in a cell's cytoplasm
D. Carbon dioxide molecules in food and drink

Name the types of burns one can get and which structures of the integument are damaged

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth