Chapter 10
Biology Today and Tomorrow with Physiology · 12 exercises
Problem 1
_____ cut(s) DNA molecules at specific sites. a. DNA polymerase b. DNA probes c. Restriction enzymes d. Reverse transcriptase
5 step solution
Problem 2
A _____ is a small circle of bacterial DNA that contains only a few genes and is separate from the bacterial chromosome. a. plasmid b. chromosome c. nucleus d. double helix
3 step solution
Problem 3
By reverse transcription, _____ is assembled on a(n) _____ template. a. mRNA; DNA b. cDNA; mRNA c. DNA; ribosome d. protein; mRNA
3 step solution
Problem 4
For each species, all _____ in the complete set of chromosomes is the ______. a. genomes; phenotype b. DNA; genome c. mRNA; start of cDNA d. cDNA; start of mRNA
3 step solution
Problem 5
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. genomic library d. GMO
3 step solution
Problem 6
\(\text{PCR}\) 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
5 step solution
Problem 7
Fragments of DNA can be separated by electrophoresis according to ______. a. sequence b. length c. species
5 step solution
Problem 8
Sequencing determines the order of bases in ______. a. DNA b. PCR c. electrophoresis d. RNA
3 step solution
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 pellets g. xenotransplantation h. sequencing
4 step solution
Problem 10
A transgenic organism ______. a. carries a gene from another species b. has been genetically modified c. both a and b
4 step solution
Problem 11
______ can be used to correct a genetic defect. a. Xenotransplantation b. Gene therapy c. Cloning d. Cloning vectors e. a and b f. all of the above
6 step solution
Problem 12
Match the terms with the best description. _____DNA fingerprint _____Ti plasmid _____nucleic acid hybridization _____eugenics _____restriction enzyme _____transgenic _____GMO a. having a foreign gene b. cuts DNA at a specific sequence c. a person's unique collection of short tandem repeats d. base pairing of DNA or DNA and RNA from different sources e. selecting "desirable" traits f. genetically modified g. used in some gene transfers
3 step solution