Which definition best describes a base?
a. a substance in a solution that releases hydrogen ions and lowers the ph
b. a substance in a solution that captures hydrogen ions and raises the ph
c. a substance in a solution that releases and captures hydrogen ions, keeping the ph the same
d. a substance in a solution that provides color over a narrow range of ph

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

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.

Match the description of each organism to the appropriate category