3 Quiz (Biological Sciences Quiz)

A researcher made an interesting observation about a protein made by the ribosome and eventually used to build a cell\'s plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably changed in the Question 1 Select one: a....

A researcher made an interesting observation about a protein made by the ribosome and eventually used to build a cell\'s plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably changed in the Question 1 Select one: a. chloroplast b. mitochondrion c. golgi apparatus d. smooth ER e. nucleus **Feedback** The correct answer is: golgi apparatus **Question 2** Correct Mark 1 out of 1 Flag question **Question text** In Eukaryotic cells, DNA is found in the nucleus only.  Question 2 Select one: a. False b. True **Feedback** Your answer is correct. The correct answer is: False **Question 3** Correct Mark 1 out of 1 Flag question **Question text** Plasmid DNA contain the complete genome of a bacterial cell.  Question 3 Select one: True False **Feedback** The correct answer is \'False\'. **Question 4** Incorrect Mark 0 out of 1 Flag question **Question text** A closed circular DNA was extracted from a fruit fly. This DNA is most likely: Question 4 Select one: a. Mitochondrial DNA b. Chloroplast DNA c. Chromosomal DNA d. Plasmid DNA **Feedback** Your answer is incorrect. The correct answer is: Mitochondrial DNA **Question 5** Correct Mark 1 out of 1 Flag question **Question text** Ribosomes are composed of RNA and protein. Question 5 Select one: True False **Feedback** The correct answer is \'True\'. **Question 6** Correct Mark 1 out of 1 Flag question **Question text** The ribosomes in eukaryotic and prokaryotic cells differ in size.  Question 6 Select one: True False **Feedback** The correct answer is \'True\'. **Question 7** Incorrect Mark 0 out of 1 Flag question **Question text** Ribosomes are found Question 7 Select one: a. only in the nucleus b. attached to the smooth endoplasmic reticulum c. in the cytoplasm d. only in eukaryotic cells e. in all options presented **Feedback** The correct answer is: in the cytoplasm **Question 8** Correct Mark 1 out of 1 Flag question **Question text** The smooth ER is especially abundant in cells that synthesize extensive amounts of Question 8 Select one: a. enzymes b. lipids c. nucleic acids d. toxins e. proteins **Feedback** The correct answer is: lipids **Question 9** Incorrect Mark 0 out of 1 Flag question **Question text** Which of the following is a function of the rough endoplasmic reticulum? Question 9 Select one: a. Protein modification (addition of sugar groups) b. Protein degradation c. Protein synthesis **Feedback** Your answer is incorrect. The correct answer is: Protein modification (addition of sugar groups) **Question 10** Correct Mark 1 out of 1 Flag question **Question text** Proteins synthesized by the ribosomes on the rough ER are Question 10 Select one: a. destined for the nucleus b. for internal regulation c. to digest food in lysosomes d. for internal storage e. exported from the cell **Feedback** The correct answer is: exported from the cell **Question 11** Correct Mark 1 out of 1 Flag question **Question text** Prokaryotic cells lack a nucleus. Question 11 Select one: True False **Feedback** The correct answer is \'True\'. **Question 12** Correct Mark 1 out of 1 Flag question **Question text** All of the following are membrane bounded organelles, except: Question 12 Select one: a. Ribosome b. Endoplasmic reticulum c. Golgi d. Lysosome e. Mitochondrion **Feedback** Your answer is correct. The correct answer is: Ribosome **Question 13** Correct Mark 1 out of 1 Flag question **Question text** All cells have mitochondria. Question 13 Select one: True False **Feedback** The correct answer is \'False\'. **Question 14** Correct Mark 1 out of 1 Flag question **Question text** Mesosomes are folds of the cell membrane found in prokaryotic cells. Question 14 Select one: True False **Feedback** The correct answer is \'True\'. **Question 15** Correct Mark 1 out of 1 Flag question **Question text** The nucleus stores hereditary material (DNA) as chromosomes. Question 15 Select one: True False **Feedback** The correct answer is \'True\'. **Question 16** Correct Mark 1 out of 1 Flag question **Question text** A microorganism was identified that was 2 microns in size, with a cell wall and flagella; the organism also contained photosynthetic pigments on infoldings of its plasma membrane. This microorganism is most likely a? Question 16 Select one: a. Fungus b. Protist c. Plant d. Animal e. Bacteria **Feedback** Your answer is correct. The correct answer is: Bacteria **Question 17** Correct Mark 1 out of 1 Flag question **Question text** Digestion of substances inside a cell, and self-destruction, are functions of which organelle? Question 17 Select one: a. mitochondrion b. peroxisome c. nucleus d. lysosome **Feedback** The correct answer is: lysosome **Question 18** Correct Mark 1 out of 1 Flag question **Question text** Ribosomes are directly involved in the process of? Question 18 Select one: a. Protein synthesis b. Detoxification c. DNA synthesis d. Cell division e. Energy generation **Feedback** The correct answer is: Protein synthesis **Question 19** Correct Mark 1 out of 1 Flag question **Question text** Ribosomes are made up of \_\_\_\_ subunits. Question 19 Select one: a. 4 b. 0 (They are whole.) c. 3 d. 2 **Feedback** The correct answer is: 2 **Question 20** Correct Mark 1 out of 1 Flag question **Question text** The organelles of the endomembrane system associated with the modification and transport of lipids and proteins for various cellular functions include? Question 20 Select one: a. Golgi apparatus as well as the Rough and Smooth ER b. Rough endoplasmic reticulum c. Smooth endoplasmic reticulum d. Nucleolus e. Vesicles **Feedback** The correct answer is: Golgi apparatus as well as the Rough and Smooth ER **Question 21** Correct Mark 1 out of 1 Flag question **Question text** The rough ER is so named because it has an abundance of \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ on it. Question 21 Select one: a. mitochondria b. vesicles c. lysosomes d. ribosomes e. Golgi bodies **Feedback** The correct answer is: ribosomes **Question 22** Correct Mark 1 out of 1 Flag question **Question text** What name is given to the subcompartments within cells that are responsible for specific cellular functions? Question 22 Select one: a. System b. Tissue c. Organelle d. Organ e. Molecule **Feedback** The correct answer is: Organelle **Question 23** Correct Mark 1 out of 1 Flag question **Question text** Which of the following group of organelles is involved in manufacturing substances needed by the cell? Question 23 Select one: a. rough ER, lysosome, vacuole b. ribosome, rough ER, smooth ER c. smooth ER, ribosome, vacuole d. lysosome, vacuole, ribosome e. vacuole, rough ER, smooth ER **Feedback** The correct answer is: ribosome, rough ER, smooth ER **Question 24** Correct Mark 1 out of 1 Flag question **Question text** Which one of the following organelles occurs in the fewest types of human cells? Question 24 Select one: a. flagellum b. nucleus c. rough ER d. microtubule **Feedback** The correct answer is: flagellum **Question 25** Correct Mark 1 out of 1 Flag question **Question text** Which of the following correctly matches an organelle with its function? Question 25 Select one: a. ribosome/manufacture of lipids b. nucleus/cellular respiration c. cilia/storage d. mitochondrion/photosynthesis e. flagella/movement **Feedback** The correct answer is: flagella/movement The promoter is \_\_\_\_\_\_\_\_\_\_\_. Question 1 Select one: a. a short sequence of DNA where the repressor binds, preventing RNA polymerase from attaching to the promoter b. any dominant gene c. a short sequence of DNA where RNA polymerase first attaches when a gene is to be transcribed d. a gene that codes for a repressor protein e. one to several genes of a metabolic pathway that are transcribed as a unit **Feedback** The correct answer is: a short sequence of DNA where RNA polymerase first attaches when a gene is to be transcribed **Question 2** Incorrect Mark 0.00 out of 1.00 Flag question **Question text** The change seen below represents a \_\_\_\_\_\_\_\_\_\_\_ and causes a \_\_\_\_\_\_\_\_\_\_\_\_in the reading frame Seq 1 ATT GCG TCG ATC AGT Seq 2 ATT GCT CGA TCA GT Question 2 Select one: a. ser, arg b. mutation, arg c. deletion, shift d. shift, mutation **Feedback** Your answer is incorrect. The correct answer is: deletion, shift **Question 3** Correct Mark 1.00 out of 1.00 Flag question **Question text** Which of the following is the correct sequence of elements on a gene? Question 3 Select one: a. Promotor, start codon, coding sequence, terminator region b. start codon, coding sequence, promotor, terminator region,  c. start codon, promotor, coding sequence, terminator region d. Promotor, start codon, terminator region, coding sequence **Feedback** The correct answer is: Promotor, start codon, coding sequence, terminator region **Question 4** Correct Mark 1.00 out of 1.00 Flag question **Question text** The -10 sequence TATAAT is found within prokaryotic promoters? What function is it associated with? Question 4 Select one: a. Ribosome binding  b. Translatioal initiation c. RNA polymerase binding d. Translation termination **Feedback** Your answer is correct. The correct answer is: RNA polymerase binding **Question 5** Incorrect Mark 0.00 out of 1.00 Flag question **Question text** mRNA contains exons alone when it leaves the nucleus. Question 5 Select one: a. False b. True **Feedback** The correct answer is: True **Question 6** Correct Mark 1.00 out of 1.00 Flag question **Question text** DNA can differ between species because the base pairs can be in any order. Question 6 Select one: a. False b. True **Feedback** The correct answer is: True **Question 7** Correct Mark 1.00 out of 1.00 Flag question **Question text** A gene is a section of a DNA molecule that determines the sequence of amino acids in a \_\_\_\_\_\_. Question 7 Select one: a. carbohydrate b. protein c. ribosome d. nucleic acid e. nucleotide **Feedback** The correct answer is: protein **Question 8** Correct Mark 1.00 out of 1.00 Flag question **Question text** \_\_\_\_\_\_ occurs in RNA in place of thymine. Question 8 Select one: a. Cytosine b. Uracil c. Guanine d. Ribose e. Adenine **Feedback** The correct answer is: Uracil **Question 9** Incorrect Mark 0.00 out of 1.00 Flag question **Question text** Which of the following processes is correctly matched with their location? Question 9 Select one: a. Translation: nucleus b. Transcription: nucleus c. DNA Replication: cytoplasm d. mRNA Splicing: cytoplasm **Feedback** The correct answer is: Transcription: nucleus **Question 10** Correct Mark 1.00 out of 1.00 Flag question **Question text** A point mutation that changes a codon specifying an amino acid into a stop codon is called a Question 10 Select one: a. missense mutation. b. frameshift mutation. c. nonsense mutation. d. deletion mutation. **Feedback** The correct answer is: nonsense mutation. **Question 11** Correct Mark 1.00 out of 1.00 Flag question **Question text** The portions of the gene that are expressed are the \_\_\_\_\_\_\_\_\_. Question 11 Select one: a. interferons b. exons c. introns d. neurons e. transposons **Feedback** The correct answer is: exons **Question 12** Correct Mark 1.00 out of 1.00 Flag question **Question text** RNA contains the sugar \_\_\_\_\_\_. Question 12 Select one: a. fructose b. ligase c. ribose d. phosphate-sugar e. deoxyribose **Feedback** The correct answer is: ribose **Question 13** Incorrect Mark 0.00 out of 1.00 Flag question **Question text** If the DNA coding strand is 5\'-ACAGTCGAT, the mRNA strand will be Question 13 Select one: a. 5\'-ACAGUCGAU. b. 3\'-UGUCAGCUA. c. 5\'-UGUCAGCUA. d. 5\'-ACAGTCGAT. e. 3\'-TGTCAGCTA. **Feedback** The correct answer is: 5\'-ACAGUCGAU. **Question 14** Correct Mark 1.00 out of 1.00 Flag question **Question text** Changing the codon AGC to AGA represents a \_\_\_\_ mutation. Question 14 Select one: a. deletion b. frameshift c. nonsense d. missense **Feedback** The correct answer is: missense **Question 15** Correct Mark 1.00 out of 1.00 Flag question **Question text** During translation, the order of the codons in mRNA determines the order of the amino acids in a polypeptide. Question 15 Select one: a. True b. False **Feedback** The correct answer is: True **Question 16** Correct Mark 1.00 out of 1.00 Flag question **Question text** In nucleic acids, the free hydroxyl group is attached to the Answer Question 16\' prime carbon of the sugar. **Feedback** The correct answer is: three **Question 17** Correct Mark 1.00 out of 1.00 Flag question **Question text** If a segment of DNA contains 430 nucleotides and 120 of the nucleotides are guanine, there will be Answer Question 17 cytosine nucleotides.(State answer as numeral) **Feedback** The correct answer is: 120 **Question 18** Correct Mark 1.00 out of 1.00 Flag question **Question text** A purine is always bonded to a Answer: Question 18 **Feedback** spelling must be correct The correct answer is: pyrimidine **Question 19** Correct Mark 1.00 out of 1.00 Flag question **Question text** DNA is a polymer of \_\_\_\_\_\_\_\_\_. Question 19 Select one: a. sugars b. fats c. nucleotides d. amino acids e. adenosine triphosphates **Feedback** The correct answer is: nucleotides **Question 20** Correct Mark 1.00 out of 1.00 Flag question **Question text** In nucleic acids, the phosphate group is attached to the Answer Question 20 \' carbon of the sugar. **Feedback** The correct answer is: 5 **Question 21** Correct Mark 1.00 out of 1.00 Flag question **Question text** Ribosomes are composed of rRNA and many different types of \_\_\_\_\_\_\_. Question 21 Select one: a. fats b. nucleic acids c. carbohydrates d. proteins e. sugars **Feedback** The correct answer is: proteins **Question 22** Correct Mark 1.00 out of 1.00 Flag question **Question text** Valine would be found on the exterior surface of a protein\'s folded structure. Question 22 Select one: True False **Feedback** The correct answer is \'False\'. **Question 23** Correct Mark 1.00 out of 1.00 Flag question **Question text** Which of the following is a true  about an anticodon? Question 23 Select one: a. It is found on proteins b. It determines the sequence of a gene c. It is a component of genes d. It is found on mRNA  e. It facilitates the decoding of the information present in a gene sequence **Feedback** Your answer is correct. The correct answer is: It facilitates the decoding of the information present in a gene sequence **Question 24** Correct Mark 1.00 out of 1.00 Flag question **Question text** Each three-letter unit of an mRNA molecule is called a \_\_\_\_\_\_. Question 24 Select one: a. interferon b. intron c. exon d. codon e. transposon **Feedback** The correct answer is: codon **Question 25** Correct Mark 1.00 out of 1.00 Flag question **Question text** If the DNA coding strand is 5\'-ACAGTCGAT, the complementary (non-coding/template) strand will be Question 25 Select one: a. 3\'-TGTCAGCTA b. 3\'-ACAGTCGAT c. 5\'-ACAGUCGAU d. 5\'-UGUCAGCUA e. 5\'-TGTCAGCTA **Feedback** The correct answer is: 3\'-TGTCAGCTA **Question 26** Correct Mark 1.00 out of 1.00 Flag question **Question text** The enzymes that remove the introns are called \_\_\_\_\_\_\_\_\_. Question 26 Select one: a. ribozymes b. intron ligase components c. exon selectors d. polymerase e. transcriptase **Feedback** The correct answer is: ribozymes **Question 27** Correct Mark 1.00 out of 1.00 Flag question **Question text** The order of amino acids in a polypeptide is directly determined by the linear sequence of codons of the \_\_\_\_\_\_. Question 27 Select one: a. protein b. tRNA c. rRNA d. mRNA **Feedback** The correct answer is: mRNA **Question 28** Correct Mark 1.00 out of 1.00 Flag question **Question text** The bonds between the DNA base pairs are strong covalent bonds. Question 28 Select one: a. True b. False **Feedback** The correct answer is: False **Question 29** Correct Mark 1.00 out of 1.00 Flag question **Question text** Proteins are synthesized at the \_\_\_\_\_\_\_. Question 29 Select one: a. plasma membrane b. nucleus c. ribosomes d. Golgi body e. mitochondria **Feedback** The correct answer is: ribosomes **Question 30** Correct Mark 1.00 out of 1.00 Flag question **Question text** During translation, a ribosome moves along and \"reads\" a \_\_\_\_\_\_ molecule. Question 30 Select one: a. mRNA b. rRNA c. tRNA d. DNA **Feedback** The correct answer is: mRNA **Question 31** Correct Mark 1.00 out of 1.00 Flag question **Question text** Transcription is making an RNA molecule that is complementary to a portion of another RNA molecule.. Question 31 Select one: a. True b. False **Feedback** The correct answer is: False **Question 32** Correct Mark 1.00 out of 1.00 Flag question **Question text** Translation requires \_\_\_\_\_\_\_. Question 32 Select one: a. ribosomal RNA b. an enzyme to join amino acids together by means of a peptide bond c. transfer RNA d. messesnger RNA e. all the options given **Feedback** The correct answer is: all the options given **Question 33** Correct Mark 1.00 out of 1.00 Flag question **Question text** Transfer RNA molecules bring amino acids to the \_\_\_\_\_\_. Question 33 Select one: a. endoplasmic reticulum b. mRNA c. ribosomes d. nucleus e. plasma membrane **Feedback** The correct answer is: ribosomes **Question 34** Correct Mark 1.00 out of 1.00 Flag question **Question text** Ribosomal RNA is produced in the \_\_\_\_\_\_\_\_\_. Question 34 Select one: a. vacuole b. ribosome c. nucleolus d. mitochondrion e. Golgi body **Feedback** The correct answer is: nucleolus **Question 35** Correct Mark 1.00 out of 1.00 Flag question **Question text** The triplet sequence UAA on mRNA will cause \_\_\_\_\_\_\_\_\_\_\_\_\_ translation. Question 35 Select one: a. Insertion of phenylalanine during b. Initiation of c. Insertion of isoleucine during d. Termination of **Feedback** The correct answer is: Termination of **Question 36** Correct Mark 1.00 out of 1.00 Flag question **Question text** Each group of \_\_\_\_\_\_ base(s) on DNA stands for an amino acid. Question 36 Select one: a. four b. two c. three d. one e. five **Feedback** The correct answer is: three **Question 37** Correct Mark 1.00 out of 1.00 Flag question **Question text** 30% of the nucleotides in a DNA double helix are guanine residues, what percent are thymine residues? Question 37 Select one: a. 20% b. 30% c. 70% d. 40% **Feedback** Your answer is correct. The correct answer is: 20% Which of the following may be categorised as a metabolic database? Question 1 Select one: a. Gene b. Taxonomy c. KEGG d. PDB **Feedback** The correct answer is: KEGG **Question 2** Correct Mark 1 out of 1 Flag question **Question text** How many DNA fragments will be generated when a restriction enzyme cuts a linear DNA molecule 4 times? Question 2 Select one: a. 2 b. 1 c. 3 d. 5 e. 4 **Feedback** The correct answer is: 5 **Question 3** Correct Mark 1 out of 1 Flag question **Question text** In identifying potential gene coding segments within a sequence \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_  applies the genetic code by searching for \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Question 3 Select one: a. ORF finder, mutations b. BLASTn, promoters c. Transeq, mutations d. ORF finder, codons e. Transeq, promoters **Feedback** Your answer is correct. The correct answer is: ORF finder, codons **Question 4** Correct Mark 1 out of 1 Flag question **Question text** Potential protein coding segments of a nucleotide sequence may be identified using Question 4 Select one: a. PrimerBLAST b. Amino Acid Explorer c. NEBCutter d. ORF finder **Feedback** The correct answer is: ORF finder **Question 5** Correct Mark 1 out of 1 Flag question **Question text** Which of the processes below may be used in diagnosing an HIV infection? Question 5 Select one: a. Restriction enzyme b. Polymerase chain reaction c. Electrophoresis d. Transformation e. Transduction **Feedback** The correct answer is: Polymerase chain reaction **Question 6** Correct Mark 1 out of 1 Flag question **Question text** \_\_\_\_\_\_\_\_\_\_\_\_\_ may be used to determine ideal primer sequences for amplifying a specific DNA fragment. Question 6 Select one: a. Primer BLAST b. BLAST c. ORF Finder d. Splign **Feedback** The correct answer is: Primer BLAST **Question 7** Correct Mark 1 out of 1 Flag question **Question text** Which of the following tools are availbale from NCBI? Question 7 Select one: a. ClustalW b. NEBCutter c. Translate d. Pfam e. Primer BLAST **Feedback** The correct answer is: Primer BLAST **Question 8** Correct Mark 1 out of 1 Flag question **Question text** The process of determining the order of nucleotides on a DNA molecule is: Question 8 Select one: a. DNA sequencing b. DNA fingerprinting c. Sequence alignnment d. Expression profiling **Feedback** The correct answer is: DNA sequencing **Question 9** Correct Mark 1 out of 1 Flag question **Question text** How many DNA fragments will be generated when a restriction enzyme cuts a circular DNA molecule 5 times? Question 9 Select one: a. 3 b. 5 c. 2 d. 4 e. 1 **Feedback** The correct answer is: 5 **Question 10** Correct Mark 1 out of 1 Flag question **Question text** Which of the following best describes the use of a scoring matrix?i Question 10 Select one: a. To identify restriction enzyme recognition sites b. To objectively select the best alignment c. To objectively identify genes in a sequence d. To confirm the relatedness of organisms. **Feedback** Your answer is correct. The correct answer is: To objectively select the best alignment **Question 11** Correct Mark 1 out of 1 Flag question **Question text** In which of the following ways can bioinformatics most support DNA sequencing? Question 11 Select one: a. Determining reaction temperature b. Identification of probes c. Assembly of sequence fragments d. Determining suitable template **Feedback** The correct answer is: Assembly of sequence fragments **Question 12** Correct Mark 1 out of 1 Flag question **Question text** Which of the following may be categoriseed as a sequence database? Question 12 Select one: a. Prosite b. PDB c. NCBI Taxonomy d. NCBI Gene e. KEGG **Feedback** The correct answer is: NCBI Gene **Question 13** Correct Mark 1 out of 1 Flag question **Question text** Which of the following tools/databases could be used to identify protein motifs and domains? Question 13 Select one: a. ORFinder b. Prosite c. BlastP d. NEBCutter e. ClustalW **Feedback** Your answer is correct. The correct answer is: Prosite **Question 14** Correct Mark 1 out of 1 Flag question **Question text** Which of the following tools may be used to generate the amino acid sequence from a nucleotide sequence? Question 14 Select one: a. Splign b. Expasy Translate c. NEBCutter d. SwissViewer **Feedback** The correct answer is: Expasy Translate **Question 15** Correct Mark 1 out of 1 Flag question **Question text** Which database would identify the genes associated with a genetic condition such as sickle cell? Question 15 Select one: a. Database of Expressed Sequence Tags (dbEST) b. Protein Data Bank (PDB) c. Kyoto encyclopedia on genes an genomes (KEGG) d. Online Mendelian Inheritance in Man (OMIM) **Feedback** The correct answer is: Online Mendelian Inheritance in Man (OMIM) **Question 16** Correct Mark 1 out of 1 Flag question **Question text** NEBCutter is able to predict a restriction fragment length polymorphism (RFLP) fingerprint for a DNA sequence because: Question 16 Select one: a. promoters predict the restriction enzyme cut sites b. algorithms translate DNA and identify restriction enzyme sequences c. restriction enzymes cut at specific sequence sites d. algorithms can simulate the random action of restriction enzymes **Feedback** Your answer is correct. The correct answer is: restriction enzymes cut at specific sequence sites **Question 17** Correct Mark 1 out of 1 Flag question **Question text** Gene expression microarray investigates the \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ activity of a biological sample. Question 17 Select one: a. Transcriptional b. Translational c. Replication d. Splicing e. Mutation **Feedback** The correct answer is: Transcriptional **Question 18** Correct Mark 1 out of 1 Flag question **Question text** Which of the following may result in the failure of a BLAST search to return any hits? Question 18 Select one: a. The query sequence is too common b. The query sequence is too short c. An inappropriate database is searched d. The query sequence is too long e. The query sequence is mutated **Feedback** The correct answer is: An inappropriate database is searched **Question 19** Correct Mark 1 out of 1 Flag question **Question text** From which of the databases below could the three dimensional data file of a characterized protein be obtained? Question 19 Select one: a. Online Mendelian Inheritance in Man (OMIM) b. Database of Expressed Sequence Tags (dbEST) c. Kyoto encyclopedia on genes an genomes (KEGG) d. UniprotKB **Feedback** The correct answer is: UniprotKB **Question 20** Correct Mark 1 out of 1 Flag question **Question text** What DNA fragment length would be amplified from a 3000bp template, if the primers are located at nucleotide positions 400 and 2000? Question 20 Select one: a. 1600 bp b. 400 bp c. 1000 bp d. 1000 bp **Feedback** The correct answer is: 1600 bp **Question 21** Correct Mark 1 out of 1 Flag question **Question text** Which database below is best suited for obtaining information on the role of amino acids in the primary structure of a protein? Question 21 Select one: a. Gene b. Pubmed c. Prosite d. UniprotKB **Feedback** The correct answer is: UniprotKB **Question 22** Correct Mark 1 out of 1 Flag question **Question text** Which of the following is used in DNA fingerprinting? Question 22 Select one: a. Electrophoresis, PCR, Microarray b. DNA sequencing, microarray, PCR c. PCR, Restriction Enzymes, Electrophoresis d. Microarray, PCR, Restriction Enzymes **Feedback** The correct answer is: PCR, Restriction Enzymes, Electrophoresis **Question 23** Correct Mark 1 out of 1 Flag question **Question text** Introns may be identified using: Question 23 Select one: a. Vector b. Uniprot c. Splign d. PDB **Feedback** The correct answer is: Splign **Question 24** Correct Mark 1 out of 1 Flag question **Question text** Programs that translate nucleotide sequence to proteins, suggests 6 different possible translations because: Question 24 Select one: a. there are six strands of DNA and each has its reading frame b. there are two strands of DNA each with six reading frames c. there are six different codons for each reading frame d. there are two strands of DNA each with three reading frames **Feedback** Your answer is correct. The correct answer is: there are two strands of DNA each with three reading frames **Question 25** Correct Mark 1 out of 1 Flag question **Question text** Which of the following is a free online tool that can be used to identify restriction enzyme recognition sites in a DNA molecule? Question 25 Select one: a. Electronic PCR b. Primer BLAST c. Translate d. ORF Finder e. NEBCutter **Feedback** The correct answer is: NEBCutter **Question 26** Correct Mark 1 out of 1 Flag question **Question text** Which of the following databases /tools could be used to investigate in silico, whether a drug would be effective at binding and inactivating a disease protein? Question 26 Select one: a. Electronic PCR b. 1000Genomes c. ORF Finder d. UniprotKB **Feedback** The correct answer is: UniprotKB