There are both the same !
“a restriction enzyme is an enzyme that cuts DNA after recognizing a specific sequence of DNA. You can think of restriction enzymes as molecular scissors. Scientists can use restriction enzymes to cut a single gene from a larger piece of DNA. ...They evolved in bacteria” (study.com)
so, they are used to cut DNA into smaller pieces(:
Sue's bones have become brittle,
fragile, and thin. Her doctor would most likely diagnose her with osteoporosis.
Osteoporosis is an age related bone condition that occurs due to the reduction of
the bone’s density and the body’s inability to produce as much bone as it initially
did. The bones become weaker and increase the risk of fractures, especially in
the spinal vertebrae.
prevents backflow into the left atrium