Why do scientists want to genetically alter the bacteria found in a ruminant’s
stomach?
What will be an ideal response?
Scientists would like to genetically alter bacteria in a ruminant's stomach to make the animal capable of digesting wood fiber. This would allow cattle and other animals to be
fed on a woody fiber that is now going to waste
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Which of the following statements is true regarding rats as pets?
a. Male rats tend to be more docile than females. b. Generally, rats are considered less desirable than mice as pets. c. Rats tend to bite even when they are socialized very young. d. Neutered rats produce considerable odor.
Which of these is (are) a main function of tires?
A) Serve as shock absorbers to cushion the vehicle ride B) Provide friction (traction) between the vehicle and the road C) Both A and B D) Neither A nor B
Why is it important to limit the pressure in a chiller?
A) Chiller disks have low rupture thresholds. B) Heavy pressure will cause valve damage. C) Pressure gauges cannot detect high pressure levels. D) Chiller system hoses easily burst.
To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 DBA.