Models are often used to represent very small objects or very large objects. why is it also useful to create life-size models of some objects?

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?