Chapter Questions
The enzyme responsible for adding new nucleotides to a growing DNA chain during DNA replication isa. helicase.b. RNA polymerase.c. DNA polymerase.d. DNA ligase.
This process is responsible for the formation of a new DNA helix.a. DNA replicationb. transcriptionc. translationd. RNA processinge. All of these are correct.
RNA is different from DNA in which of the following ways?a. RNA is generally single-stranded.b. RNA contains uracil rather than thymine.c. The sugar of RNA is ribose.d. RNA is translated to form proteins.e. All of these are correct.
RNA processinga. removes the exons, leaving only the introns.b. is the same as transcription.c. is an event that occurs after $\mathrm{RNA}$ is transcribed.d. is the rejection of old, worn-out RNA.e. All of these are correct.
During gene expression, an anticodon of a thNA pairs witha. amino acids in the polypcptide.b. DNA nucleotide bases.c. rRNA nucleotide bases.d. mRNA nuclcotide bascs.
Following is a segment of a DNA molecule. (Remember that only one strand is transcribed.) What are (a) the mRNA codons, (b) the tRNA anticodons, and (c) the sequence of amino acids?
Which of the following processes occurs in the nucleus and forms a complementary copy of one strand of the DNA molecule for gene expression?a. DNA replicationb. translationc. transcriptiond. RNA processinge. None of these are correct.
Restriction enzymes found in bacterial cells are ordinarily useda. during DNA replication.b. to degrade the bacterial cell's DNA.c. to degrade viral DNA that enters the ccll.d. to attach pieces of DNA togcther.
The CRISPR method is used ina. DNA scqucncing.b. DNA fingerprinting.c. genome cditing.d. the polymerasc chain reaction.
In this process, a gene of interest is inserted into the chromosome ofa bactcrium, allowing the gene to be expressed within the cell.a. polymerase chain reactionb. DNA cloningc. DNA replicationd. DNA sequencinge. microarray technology
In this process, cells are removed from the body and a vector is used to insert a gene of interest.a. DNA fingerprintingb. ex vivo genc therapyc. in vivo gene therapyd. DNA sequencing
This field of study examines the function and interaction of proteins within a cell or an organism.a. genomicsb. biocnginceringc. proteomicsd. gene therapye. None of these are correct.