Which of these do not contain muscles? uterus blood vessels calf muscles eye pupils

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

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.

What are the ingredients of oobleck?