Define the term restriction enzyme, and give two examples of ways in which these enzymes are used
in recombinant DNA technology. What will be an ideal response?
Restriction enzymes are endonucleases with specificity for certain base sequences. Restriction
enzymes enable scientistis to cut both plasmid DNA and human DNA to create sticky ends that can be
used to form a recombinant plasmid
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What is an innate behavior that results in movement toward or away from a stimulus?
a. reflex b. kinesis c. habituation d. taxis
During hypoglycemia, all of the following would occur except:a
calcitonin would be released. b. more parathyroid hormone would be released. c. the rate of calcium reabsorption from the kidney tubules would increase. d. the rate of calcium release from bones would increase. e. muscle spasms.
Which of the following is NOT a symptom of Sleeping Sickness caused by the parasite Trypanosoma brucei transmitted via the tsetse fly in Africa?
A. Victims sleep for 20 hours a day and have limited appetite B. Victims find it hard to concentrate C. Victims are unable to sleep during the night D. Victims become irritable and their speech is slurred
A(n) ________ is a nonprotein substance that aids in forming the enzyme-substrate complex in metabolic reactions
Fill in the blank(s) with correct word