what is the characteristic of a cell membrane that controls which substances can enter and exit the cell

Provide one reason why mitosis occurs.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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.