Which of the following is a correct difference between a gene (genomic) library and a gene clone? A gene (genomic) library _____
A) contains many different DNA sequences; a gene clone contains one type of DNA sequence
B) contains one type of cloned DNA sequence; a gene clone contains many different DNA sequences
C) is a much longer DNA sequence than a gene clone
D) is a much shorter DNA sequence than a gene clone
E) is sequence information stored in a computerized database; a gene clone is an actual sequence of DNA
Answer: A
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You have severe itching problems when bitten by an insect. Your friend gives you an ointment to spread on your skin around the bite so that the redness and itching do not bother you. The likely mechanism of this medication would be
A. the inactivation of neutrophils. B. to act as an antagonist of histamine. C. the destruction of phagocytic cells. D. the inhibition of lysozyme.
Palm oil and coconut oil are more like animal fats than are other plant oils. Because they ____ than other plant oils, they may contribute to cardiovascular disease.
a) contain fewer double bonds b) are less saturated c) contain more sodium d) are less soluble in water e) contain less hydrogen
Which of the following is NOT true?
A. Mitosis is important for asexual reproduction. B. Meiosis involves 4 cell divisions. C. Meiosis is important for sexual reproduction. D. Mitosis involves 1 cell division.
When assigning a scientific name to an organism,
A. the species name is placed first. B. both genus and species names are capitalized. C. the species name is capitalized. D. the species name can be abbreviated. E. both genus and species names are italicized or underlined.