What are some advantages of using a toy ball as an animal cell model? If you can't think of any, what could be used for a cell model?

Nucleic acid certain protein cell membranes certain carbohydrates

Which is one example of a phenotypic change that is not genetic

When a chemical spill has occurred on your clothes you should 1. scream for 2. run under the shower and turn it on 3. use the eye wash station 4. grab the first aid kit