In what two ways may the DNA of an organ recipient someday be used to improve the chances of successful organ transplant?
What will be an ideal response?
The two ways that the DNA of the organ recipient may be used to improve the chances of successful transplant include:
1 . Genetic transfer could take place and an animal with the recipient's DNA could be grown and ready within six months.
2 . The gene that controls DNA rejection could be identified and "turned off".
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What do the last five numbers in the UNS system designate?
What will be an ideal response?
What six things should be checked during a fire extinguisher inspection?
What will be an ideal response?
An industrial robot performs a machine loading and unloading operation. A PLC is used as the robot cell controller. The cell operates as follows: (1) a human worker places a work part into a nest; (2) the robot reaches over and picks up the part and places it into an induction heating coil; (3) a time of 10 seconds is allowed for the heating operation; and (4) the robot reaches in and retrieves the part and places it on an outgoing conveyor. A limit switch X1 (normally open) will be used in the nest to indicate part presence in step (1). Output contact Y1 will be used to signal the robot to execute step (2) of the work cycle. This is an output contact for the PLC, but an input interlock for the robot controller. Timer T1 will be used to provide the 10 second delay in step (3). Output
contact Y2 will be used to signal the robot to execute step (4). Construct the ladder logic diagram for the system. Write the low level language statements for the system. What will be an ideal response?
The subsequent problems deal with the circuit below where:R1=5k?, R2=10k?, R3=5k?, R4=10k?, R5=10k?, V1=5V, and V2=10V.
What is the current (I) through resistor R2 given the direction shown?
A. 1/2 mA B. ?1/2 mA C. ?1/3 mA D. 1/2 A E. 1/3 A