cellular organelles perform specialized functions in the body. red blood cells, or rbcs, transport oxygen to the tissues in the body. new rbcs are only produced in the bone marrow, while mature rbcs that travel throughout the body are continuously recycled until they wear out. this means that mature rbcs do not undergo dna replication and cell division. which organelle would be missing in a mature red blood cell? select the best answer from the choices provideda .cytoplasm b. microtubules c. cell membrane d. nucleus

Match the types of competition to their descriptions.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

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.