For the body to function normally, the organs and tissues must communicate to control the development of the cells and tissues. if there is a break-down in this communication, uncontrolled cell growth in one part of the body could impede the development of other cells or tissues. this, in turn, can lead to the normal functions of the individual becoming seriously impaired. research has shown that this uncontrolled cell growth and development can lead to which of these diseases? a) aids b) cancer c) hemophilia d) down syndrome

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

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.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.