What occupies most of the volume of an atom?

What is the maximum amount of time that cold tcs food may be held without temperature control?

What is the definition of niche? A. a unique role of an organism in its ecosystem B. a place where an organism lives and gets its resources C. a set of organisms working with each other and their environment

Which of the following are considered requirements for the emergence of life? Choose one or more: A. continual source of energy B. molecular oxygen (O2) C. liquid water D. essential elements for organic molecules E. DNA

Do acids have a low or high pH

What are the macromolecules DNA and RNA referred to as? Proteins Carbohydrates Nucleic acids

Some students have the misconception that during cellular respiration, the matter in glucose is somehow turned into energy. Consider that when we exercise, we burn glucose and also lose mass. Why does this happen?

True or False: A species is a group of organisms with distinct characteristics that matched others in a population.

In which domain (s) are single-celled organisms found? A. Bacteria and Eukarya B. Archaea and Eukarya C. Only Archaea D. Bacteria, Archaea, and Eukarya

A skin sac that holds the testes outside the body

If you were a cancer researcher working on a cure, would you want to design a chemotherapy drug that would speed up the cell cycle or slow it down? Why?