When a population or group of something is declining, and the amount that decreases is proportional to the size of the population, it's called exponential decay<span>. In </span>exponential decay<span>, the total value decreases but the proportion that leaves remains constant over time. so the radioactivity would be declining proportionally to the size of radioactive area.
hope this can help a bit, message me fi you have questions <3</span>
As you stated before, cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, so that would indicate that cellulose is a carbohydrate.
<em>A- The Archaea have cell membranes made of ether-linked hydrocarbons which branch, while Bacterial membranes are made of ester-linked fatty acids.</em>
