Researchers primarily use transgenic animals to do which of the following?
a. Study the effects of recombinant genes.
b. Extract and manipulate nucleic acids.
c. Create multiple copies of mutant genes.
d. Regenerate damaged tissue and organs.
a. Study the effects of recombinant genes.
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Which of the following is NOT a component of the translation machinery?
A. mRNA B. tRNA C. translation factors D. ribosomes E. protein polymerase
Anemia can result from a deficiency of ____
a. calcium b. chlorine c. iodine d. iron e. phosphorus
During the tertiary stage of syphilis, tumors called ________ develop in the liver, skin, bone, and cartilage.
A. ulcers B. nodules C. chancres D. gummas
For your first meeting with your physician, you should ________
A) make an extensive web search about your symptoms and bring printouts to your meeting B) always go alone because confidential information is being discussed C) bring prescribed medications only; your vitamins or over-the-counter pills do not matter D) prepare a list of medical questions and concerns