1. In the 1950s when Watson and Crick were working on their model of DNA, many scientists did not think that DNA carried the genetic code. What was the other type of molecule that some scientists thought might carry genetic information? *

When water freezes, it . contracts expands

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.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks