Answer: restriction enzymes serve the purpose of defense against invading viruses.
Explanation:
<span>The first amino acid in the chain will be glycine instead of arginine would be predicted to happen.</span>
If the mass of object increases, the weight will stay the same. The weight is a factor which is dependent on gravity, while mass is a constant.
Cells are the tiniest structural and functional unit of a living organism. They consist of nucleus and cytoplasm that are enclosed in a membrane. The cells are invisible to the naked eye and hence a microscope was needed to observe them. Robert Hooke was the first scientist to observe them under the microscope.