Answer: Restriction enzymes are DNA-cutting enzymes. ... DNA ligase is a DNA-joining enzyme. If two pieces of DNA have matching ends, ligase can link them to form a single, unbroken molecule of DNA. In DNA cloning, restriction enzymes and DNA ligase are used to insert genes and other pieces of DNA into plasmids.
A - the paper can be burned
this is irreversible
being irreversible is a chemical property
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. ... The opposite takes place in the cells where the blood releases oxygen and picks up carbon dioxide.
Your answer would be D. You can find the neutrons by subtracting the mass by the atomic number. 14-6=8 neutrons.