Answer:
test hypothesis..........
Respiration occurs when glucose<span> (</span>sugar<span> produced during photosynthesis) combines with </span>oxygen<span> to produce useable cellular energy. This energy is used to fuel growth and all of the normal cellular functions. </span>Carbon dioxide<span> and water are formed as </span>by-products<span> of respiration.</span>
A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms.
Answer:
•Both Oxygen and Carbon Dioxide are gases found in Earth’s atmosphere
•Both are essential to life as we know it
•These gases cycle from plants to animals and back again
Explanation:
“Chromosomes carry genetic information in a molecule called DNA. A type of cell division called mitosis ensures that when a cell divides each new cell produced has the same genetic information. DNA exists in a cell's nucleus within structures called chromosomes .”
