Thorium releases: a. x-rays and positrons c. electrons and x-rays b. alpha and beta particles d. None of the above

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium

How are viruses different from eukaryotic cells?

Agroup of organisms that changes over time is said to