Exam 15: Biotechnology

Refer to the figure above and then answer the question that follows. -Referring to the figure above, if a restriction enzyme leaves a sticky end on a DNA fragment, it means the fragment:

Stem cell researcher Hans Keinstad of the University of California, Irvine, decided to try a new path in using embryonic stem cells to treat spinal cord injuries in rats by concentrating on one aspect of the damage:

Cutting DNA with restriction enzymes has been possible since the:

All fragments cut by most restriction enzymes have:

Which statement about restriction enzymes is true?

Refer to the figure above and then answer the questions that follow. -In PCR, what is the function of the primers?

List the advantages of producing HGH in bacteria over purifying it from human pituitaries.

Match each technique with one of the steps in its process. -Reproductive cloning

What property of restriction enzymes allows DNA from different organisms to be combined?

Which aspect of biotechnology has been used to clear innocent people of crimes they were accused of committing?

Reproductive cloning is a field of study within biotechnology.

Refer to the figure above and then answer the questions that follow. -Which substances are used by DNA polymerase to produce a new strand of DNA?

Why would one try to produce therapeutic stem cells?

The Human Genome Project has discovered that humans have about 30,000 genes, many fewer than earlier estimates of 100,000 genes. What does this imply about the way human genes function?

In March, 2006, a scientist from ________ was charged with criminal fraud in his research involving embryonic stem cells.

DNA testing (if performed correctly, on a properly obtained sample) can prove the innocence of a crime suspect.

Why is it dangerous to plant crops that have been genetically modified to resist herbicides in areas where native noxious plants are common?

Use this list of technical steps to answer the questions below. 1. Two cells were fused using a small electrical current. 2. An embryo was implanted into a "surrogate mother." 3. All nuclear DNA was removed from a sperm. 4. A cell was taken from an adult sheep. 5. All nuclear DNA was removed from an egg. -What was the order of events in producing a cloned animal?

Match each technique with one of the steps in its process. -forensic DNA typing

Which of the following is often used as a vector in genetic engineering?