The blood vessels that contain valves to prevent blood from flowing in a backward direction are the

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

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.

Pl which diagram illustrates prophase?