Campbell Biology Chapter 17 Quiz

L>Campbell Biology Place Chapter 17 -- Chapter Quiz

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The P website of a ribosome does which among the following? (p. 316) It holds the tRNA that is transferring the following amino acid to be included to the thriving polypeptide chain.It holds the prospering polypeptide chain.It helps "unzip" DNA in the time of transcription.It catalyzes the enhancement of amino acids to the polypeptide chain of surrounding amino acids.It recognizes the promoter throughout transcription initiation.
Who of the complying with formulated the one gene–one enzyme hypothesis? (p. 304) Watchild and CrickBeadle and also TatumHershey and also ChaseFranklinnone of the above
Mutations are _________. (p. 322) changes in the complace of a DNA moleculetransforms in genes that eventually cause hereditary diversitythe resource of brand-new alleleschemical changes in the hereditary materialall of the above
Which among the following forms of mutation is least likely to impact the attribute of the protein corresponding to the gene in which the mutation occurs? (p. 322) addition of single basesbase substitutiontranspositiondeletion of single basesmisalignment deletion
How many type of nucleotides are essential to code for a protein with 450 amino acids? (p. 306) at least 150at leastern 300at least 450at leastern 900at leastern 1,350
Tbelow are 6 different codons signaling for the placement of the amino acid leucine in a protein. As such, we say that the code is _____. (p. 308) inaccurateincompletespecificredundanttricky
When RNA is being made, the RNA base ____ always pairs via the base _____ in DNA. (p. 307) U ... TT ... GU ... AA ... UT ... A
At one allude as a cell lugged out its day-to-day activities, the nucleotides GAT were paired via the nucleotides CUA. This pairing occurred _____. (p. 309) in a double-stranded DNA moleculein the time of translationduring transcriptiononce an mRNA codon paired via a tRNA anticodonit is impossible to say, given this information
What is the appropriate order of the complying with events in the expression of a eukaryotic gene?translation RNA processingtranscriptionchange of protein (p. 304) 1,2,3,43,2,1,44,2,3,12,3,4,11,2,4,3
In a eukaryotic cell, transcription takes area _____. (p. 306) on the cell membranein the stormy endoplasmic reticulumin the cytoplasmon free ribosomesin the nucleus
Which one of the complying with is NOT associated with RNA? (p. 306) ribosethymineuracilphosphatessingle-strandedness
A terminator in mRNA synthesis is _____. (p. 309) an enzyme whose particular function is to stop synthesisa molecule of tRNA that recognizes a stop codona specific nucleotide sequence in DNA that signals a stopArnold Schwarzeneggernamong the above
The DNA code is CGT. What messenger RNA is made from this? (p. 307) ATUGCATCUCTAUCG
Which one of the complying with catalyzes the link between ribonucleotides to form RNA? (p. 309) RNA polymeraseRNA ligasea ribozymereverse transcriptasetRNA
In transcription, _____. (p. 309) the promoter region acts as an initial binding website for RNA polymeraseonly the feeling strand also is provided as the templatethe RNA nucleotides used are created by the cellevery one of the abovenamong the over
The translation procedure in eukaryotes requires all of the complying with, EXCEPT _____. (p. 309) ribosomesRNA polymeraseaminoacyl tRNA synthetase enzymescarry RNAAUG codons
A suggest mutation in which a solitary base pair is inserted or deleted from DNA is dubbed a(n) _____. (p. 323) nonsense mutationframe-shift mutationinvariation mutationtransplace mutationmissense mutation
Which among the complying with procedures does NOT take place in the nucleus? (p. 313) replication of DNAtranslationassembly of ribosomesremoval of introns from RNAtranscription
During the transcription of a provided percentage of a DNA molecule _____. (p. 309) mRNA is synthesized on both chains of the DNA molecule at oncemRNA is synthesized on both chains of the DNA molecule, yet first on one side and then the othermRNA is synthesized on only one of the chainshalf of the mRNA is synthesized on fifty percent of one chain; then the other fifty percent of the mRNA is made on the various other half of the DNAany of the over trends might be found
A virus infects a cell and also randomly inserts many kind of short segments of DNA containing a speak codon throughout the organism's chromosomes. This will most likely reason _____. (p. 309) manufactured proteins to be short and defectivethe DNA to break up into hundreds of short segmentsincorrect pairing in between mRNA codons and amino acidsno bad results, as lengthy as the stop codons are not additionally inserted right into tRNAevery one of the over
One strand also of a DNA molecule in a prokaryote has actually the following sequence: 3'-AGTACAAACTATCCACCGTC-5'. If that strand also were transcribed, the resulting molecule would have actually the sequence _____. (p. 309) 3'-AGTACAAACTATCCACCGTC-5'5'-TCATGTTTGATAGGTGGCAG-3'5'-AGUACAAACUAUCCACCGUC-3'3'-UCAUGUUUGAUAGGUGGCAG-5'5'-UCAUGUUUGAUAGGUGGCAG-3'
One strand also of a DNA molecule has actually the complying with sequence: 3'-AGTACAAACTATCCACCGTC-5'. In order for transcription to happen in that strand, tbelow would have to be a details recognition sequence, called a(n) __________, to the left of the DNA sequence indicated. (p. 309) centromereintronexonAUG codonpromoter
In eukaryotes, which of the following mechanisms of gene regulation operates after transcription however before translation of mRNA into protein? (p. 311) RNA splicing and also editingDNA packingactivity of repressors and activatorsprotein degradationevery one of the over
A cell biologist found that two different proteins via largely various frameworks were translated from two various mRNAs. These mRNAs, but, were transcribed from the same gene in the cell nucleus. Which system listed below might ideal account for this? (p. 313) Different devices of DNA unpacking might result in 2 different mRNAs.A mutation can have actually changed the gene.Exons from the very same gene might be spliced in various ways to make different mRNAs.The gene might be transcribed in various directions.The two proteins have actually various functions in the cell.
The frameworks referred to as snRNPs are _____. (p. 312) part of a spliceosomeinvolved in the removal of exons from DNAa kind of specialized carbohydratea critical component of the initiation complexevery one of the over
Typically, in eukaryotic genes _____. (p. 312) exons are not transcribedintrons are not transcribedexons are transcribed, yet the RNA transcribed from introns does not leave the nucleusboth introns and exons are transcribed, yet the RNA transcribed from them does not leave the nucleusexons and also introns are transcribed, and the RNA transcribed from them leaves the nucleus
Nuclei of eukaryotic cells contain spliceosomes that are comprised of _____. (p.

See more: During which phase of mitosis do the chromatids become chromosomes?

312) snRNAsnRNA and also tRNAsnRNA and DNAsnRNA and proteinDNA and protein
Which summary of protein synthesis is correct? (p. 309) DNA transposons leave the nucleus, go to a ribosome, and catalyze the polymerization of amino acids in a protein.DNA exchanges its thymine units via uracil in polymerase. This activates polymerase, and it starts joining amino acids together.Transfer RNAs line up on a ribosome, and also amino acids bind to them with hydrogen bonds.Messenger RNA is made on a DNA template, and then amino-acid-bearing transfer RNAs line up on it in with codon-anticodon pairing.Namong the above.
Polysomes might be identified as _____. (p. 319) microfilaments and also microtubulespractical teams of lysosomesfunctional groups of ribosomessensible teams of chromosomespractical teams of peroxisomes
Indevelopment is transferred from the nucleus to the cytoplasm of eukaryotic cells in the develop of _____. (p. 313) proteinslipidsnucleic acidscarbohydratessterols
The feature of tRNA during protein synthesis is to _____. (p. 313) deliver amino acids to their proper website throughout protein synthesisguide ribosome subdevices out of the nucleus with nuclear poresaffix mRNA to the small subunit of the ribosomeprocedure mRNAtranscribe mRNA
Which among the complying with statements appropriately explains mRNA processing? (p. 312) Introns are cut out of the main tranmanuscript, and also the resulting exons are spliced together.Exons are cut out of the primary tranmanuscript, and also the introns are spliced together.Introns are reduced out of the primary tranmanuscript and spliced together at the finish of the tranmanuscript.Exons are cut out of the main tranmanuscript and transported to the endoplasmic reticulum.Introns are reduced out of the main transcript and also transported to the ribosomes.
A geneticist uncovered that a specific mutation had no impact on the polypeptide encoded by a gene. This mutation probably involved _____. (p. 322) deletion of one nucleotidemodification of the begin codoninsertion of one nucleotidedeletion of the entire genesubstitution of one nucleotide
Imagine an error occurring in the time of DNA replication in a cell, so that where there is meant to be a T in one of the genes, tright here is rather a G. What result will this more than likely have actually on the cell? (p. 322) Each of its kinds of proteins will contain an incorrect amino acid.An amino acid will certainly be lacking from each of its kinds of proteins.One of its kinds of proteins can contain an incorrect amino acid.An amino acid will be lacking from among its kinds of proteins.The amino acid sequence of among its kinds of proteins will certainly be totally readjusted.
A particular ____ lug the indevelopment for making a details polypeptide, but ____ deserve to be offered to make any kind of polypeptide. (p. 304) gene and ribosome ... tRNA and mRNAgene and also mRNA ... a ribosome and also tRNAribosome and also mRNA ... a gene and also tRNAgene and tRNA ... a ribosome and mRNAtRNA and ribosome ... a gene and mRNA
The nucleotide sequence of a DNA codon is GTA. A messenger RNA molecule through a complementary codon is transcribed from the DNA. In the procedure of protein synthesis, a transfer RNA pairs via the mRNA codon. What is the nucleotide sequence of the tRNA anticodon? (p. 307) CATCUTGUACAUGTA
A base-substitution mutation in a germ cell line is most likely to have NO impact on phenotype if the substitution _____. (p. 322) forms a brand-new stop codonoccurs in an introntransforms a sheight codon to a codon specifying an amino acidsubstantially changes the structure of an enzymeavoids the initiation of transcription of the DNA sequence that codes for ATP synthase
During the process of translation (polypeptide synthesis), ____ matches an mRNA codon via the correct amino acid. (p. 313) a ribosomeDNA polymeraseGTPtransport RNAmessenger RNA
A sequence of photos of polypeptide synthesis mirrors a ribosome holding two carry RNAs. One tRNA has a polypeptide chain attached to it; the various other tRNA has actually a solitary amino acid attached to it. What does the following picture show? (p. 318) The polypeptide chain moves over and bonds to the single amino acid.The tRNA via the single amino acid leaves the ribosome.The amino acid moves over and also bonds to the polypeptide chain.The tRNA with the polypeptide chain leaves the ribosome.A 3rd tRNA through an amino acid joins the pair on the ribosome.
Throughout translation in a eukaryotic cell _____. (p. 313) ribosomes relocate right into the nucleustRNA carries amino acid molecules to the nucleus, wright here they are added to a prospering polypeptide chainpolypeptides are synthesized at ribosomes, according to instructions lugged by mRNAmRNA is synthesized by the bonding of totally free nucleotides to the bases on the layout strand also of DNAFrench cells are able to sheight to Germale cells
Ultraviolet (UV) radiation is damaging bereason it ____________. (p. 323) prevents DNA transcriptionavoids DNA translationcauses mutations in the DNAdeactivates the enzymes required for DNA replicationinhibits protein synthesis
The number of nucleotide bases "read" together on the mRNA to designate each amino acid is __________; this unit is referred to as a __________. (p. 307) 2 ... dipeptide3 ... triose2 ... anticodon3... codon1 ... amino acid
Protein synthesis, controlled by DNA, calls for every one of the complying with EXCEPT _____. (p. 305) ribosomesmRNAtRNAamino acidsendoplasmic reticulum
The bonds that host tRNA molecules in the correct three-dimensional shape are _____. (p. 314) peptide linkageshydrophobic interactionscovalent bondsionic bondshydrogen bonds
Throughout translation, amino acid chain elongation occurs till _____. (p. 318) no further amino acids are needed by the cellall tRNAs are emptythe polypeptide is lengthy enoughthe ribosome encounters "stop" codonsthe ribosome runs off the end of the mRNA strand also
Which one of the complying with statements is true? (p. 307) Each DNA base codes for three amino acids.Each gene codes for three proteins.It takes 3 genes to code for one protein.Each triplet has many kind of different definitions.Each amino acid in a protein is coded for by three bases in the DNA.
Genetic mutations _____. (p. 323) happen spontaneouslyare many widespread in body parts that are not offered exceptionally oftenare most common in body parts that are offered frequentlyare mostly resulted in by diseases connected with fetal developmentare constantly passed on to the next generation
A codon is composed of just how many nucleotides? (p. 307) just onea doubleta tripleta quadrupleta sextet
Amino acid activation entails _____. (p. 316) thioester linkeras (such as in acetyl CoA)energizing through GTP as the power sourceattachment to the ribosomeattachment to mRNAattachment to tRNA
The first amino acid placed right into a new polypeptide chain in eukaryotic cells is always _____. (p. 317) glycineserinemethionineadenosine monophosphatealanine