A guinea pig was injected with radioactive amino acids. Thirty minutes later, tissue analysis showed that protein of the ribosomes had over twice as much radioactivity per gram as the protein of any other part of the cell. What can be concluded from this experiment? Why?

What evidence is there that convection occurs in earth’s troposphere?

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.

Crossing over is a method of (blank)?