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Magazine Problem 1
_______ cut(s) DNA molecules at specific sites. a. DNA polymerase b. DNA probes c. Restriction enzymes d. DNA ligase
Problem 2
A _____ is a small circle of bacterial DNA that is separate from the bacterial chromosome. a. plasmid b. chromosome c. nucleus d. double helix
Problem 3
For each species, all____ in the complete set of chromosomes is/are the _____ . a. genomes; genotype b. DNA; genome c. SNPs; DNA profile d. DNA; library
Problem 4
A set of cells that host various DNA fragments collectively representing an organism's entire set of genetic information is a_____ . a. genome b. clone c. DNA library d. GMO
Problem 5
PCR can be used to ____ . a. increase the number of specific DNA fragments b. check DNA fingerprints c. modify a human genome d. a and b are correct
Problem 6
Fragments of DNA can be separated by electrophoresis according to _____ . a. sequence b. length c. species
Problem 7
Taq polymerase is used for PCR because it _____ . a. tolerates the high temperature needed to separate DNA strands b. is an enzyme from a bacterium c. does not require primers
Problem 8
______ is a technique to determine the order of nucleotides in a fragment of DNA. a. \(\mathrm{PCR}\) b. Sequencing c. Electrophoresis d. Nucleic acid hybridization
Problem 9
Which of the following can be used to carry foreign DNA into host cells? Choose all correct answers. .a. RNA b. viruses c. PCR d. plasmids e. lipid clusters f. blasts of microscopic pellets g. xenotransplantation h. sequencing
Problem 10
A transgenic organism a. carries a gene from another species b. has been genetically modified c. can pass a foreign gene to offspring d. all of the above
