20. The image above reveals two bacterial cells in the process ofA. cell lysis B. transduction C. conjugation D. transformation-NAM-NAG-NAM-NAGD-Glu D-AlaD/ TranspeptidaseD-Ala DAPT1D-Ala D-GluL-AlaNAG-NAM-NAG-NAMFYRETE. buddingK21. Modification of the enzyme pictured (above) might result in resistance toA. quinolone B. streptomycin C. chloramphenicol D. penicillin E. trimethoprim

In the image given for MCQ (20), the two bacterial cells are under the process of "Conjugation".…

20. The image above reveals two bacterial cells in the process of A. cell lysis B. transduction C. conjugation D. transformation E. budding -NAM-NAG-NAM-NAG L-Ala D-Glu D-Ala DA Transpeptidase D-Ala DAP 1 1 D-Ala D-Glu 1 L-Ala T NAG-NAM-NAG-NAM 21. Modification of the enzyme pictured (above) might result in resistance to A. quinolone B. streptomycin C. chloramphenicol D. penicillin E. trimethoprim

20. The image above reveals two bacterial cells in the process of A. cell lysis B. transduction C. conjugation D. transformation E. budding -NAM-NAG-NAM-NAG L-Ala D-Glu D-Ala DA Transpeptidase D-Ala DAP 1 1 D-Ala D-Glu 1 L-Ala T NAG-NAM-NAG-NAM 21. Modification of the enzyme pictured (above) might result in resistance to A. quinolone B. streptomycin C. chloramphenicol D. penicillin E. trimethoprim

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter17: Bacterial And Viral Genetics

Section: Chapter Questions

Problem 4TYK

See similar textbooks

Similar questions

12. Penicillin only works on actively dividing bacterial cells because: a. it inhibits peptidoglycan (PG) synthesis b. it inhibits LPS synthesis c. it is no longer is effective against RNA and translation d. a & b e. a & c
1) Where in the heck did Class I transposons originate? a DNA mutations. b Bacteria. c Prophages. d Retroviruses. 2) What do you think about humans only having about 22,500 genes but we contain about 100,000 proteins?! a The production of quaternary shape in proteins can contribute to protein variation. b That's the work of the spliceosome! c Post-translation modifications in the Golgi Apparatus are responsible for some of that. d All the answers are correct.
A binding .site for RNA polymerase is called a ___ . a. gene b. promoter c. codon d. protein
Which of the following is not correct for bacterial conjugation? a. Both Hfr and F+ bacteria have the ability to code for a sex pilus. b. After an F- cell has conjugated with an F+, its plasmid holds the F+ factor. c. The recipient cell is Hfr following conjugation. d. In an HfrF- conjugation, DNA of the main chromosomemoves to a recipient cell. e. Genes on the F factor encode proteins of the sex pilus.
Which of the following statements is false? a. GTP is an energy source during various stages of translation. b. In the ribosome, peptidyl transferase catalyzes peptide bondformation between amino acids. c. When the mRNA code UAA reaches the ribosome, there isno tRNA to bind to it. d. A long polypeptide is cut off the tRNA in the A site so its Metamino acid links to the amino acid in the P site. e. Forty-two amino acids of a protein are encoded by 126nucleotides of the mRNA.
Answer the equivalent question for the trp operon: how would a mutation that prevents the Trp repressor from being made affect the regulation of the trp operon?
1.What type of mutation is seen here? WT: 5′-AUG GCU AGA GUU GAA AAA-3′ Mutant: 5′-AUG GGU AGA GUU GAA AAA-3′ Group of answer choices a. Transition b. Tranversion c. Insertion d. Deletion 2. Dr. Doom wants to prevent a cell from entering the lysogenic pathway, which gene controlled by PRM would Dr. Doom target for inactivation? Group of answer choices a. cII b. cro c. cI d. Q
19.Identify the single most correct choice: a) Without an exception, all enzymes are proteins. ( b) Both 30S and 50S ribosomal subunits are needed for translation. ( c) Competitive inhibitors of an enzyme are those inhibitors that bind to a region of enzyme and force it to change conformation so the enzyme will not be able to interact with the substrate. d) Certain archaebacteria have RNA genome. e) b and d 20. the DNA of bacteriophages can get incorporated in the host DNA. True or false
1.Which of the following events best predicts the consequence if there is NO post-translational modification? a. Protein becomes functional b. Protein will be biochemically active c. Protein will be targeted to the organelle it is destined d. Protein will not be properly folded If one man in 2,500 is hemophilic, the frequency of the allele h for hemophilia in the population is a.1/62500 b.c.1/25 c.1/2500 d.1/50 3. For a population to remain in equilibrium, all the following conditions must be satisfied EXCEPT a.There must be no migration of alleles into the population or out of the population. b.The population must be large (theoretically infinite). c. Certain genotypes are allowed to mate more with other specific genotypes. d. All genotypes can reproduce equally.
1. Classify the type of mutation that have taken place: silent, missense and nonsense as a result of a single base substitution from UCG codon which codes for cysteine:a) AGC (ser): ________b) UGU (cys): ________c) GGC (gly): _______d) UGA (stop): _______e) UUC (phen): _______2. A single base addition and a single base deletion approximately 15 bases apart in the mRNA specifying the protein lysozyme from the bacterial virus T4 caused a change in the protein fromits wil-type composition….lys-ser-pro-ser-leu-asn-ala-ala-lys…..to the mutant form lys-val-his-his-leu-met-ala-alalys.a. Decipher the segment of mRNA for both the original protein and the double mutant.b. Which base was added? Which was deleted?3. Given is the 30 nucleotides in the human gene for hemoglobin (the oxygen-carrying protein in the red blood cells): 5’ TAC-CAC-GTG-GAC-TGA-GGA-CTC-CTC-TTC-AGA 3’a. What is the complementary strand?b. Deduce the mRNA in this coding region.c. What is the amino acid sequence based on this…
Which of the following describes the effect of a frameshift mutations? * A. all mRNA codons change B. some, but not all , mRNA codons change C. there is no change in mRNA codons D. no correct response Consider the following DNA base sequence 3' TTA ATA 5'. what dipeptide is formed if a DNA point mutation converts ATA to ATG? * A. Cys-Phe B. Tyr-Tyr C. Phe-Leu D. Ser-Tyr Consider the following mRNA base sequence 5' ACC CAC 3', what dipeptide is formed if a point mutation converts ACC to ACU? * A. Thr-His B. Thr-Thr C. His- Ile D. Ile- Asp Which of the following statements below is incorrect? * A. the genetic code is overlapping B. the genetic code is universal C. degenerate codon specify the same amino acids…
Provide a brief description behind your choice? Virus-mediated transfer of cellular genetic material from one bacterial cell to another by means of virus particles is called: (A) transduction (B) transposition (C) transformation (D) transfection One strand of double-stranded DNA is mutated, changing all cytosines to uracils. After one round of replication of the mutated DNA strand, the melting temperature of the resulting DNA will: (A) be higher (B) be lower (C) remain the same (D) be double The Southern blotting technique is used for: (A) the detection of RNA fragments onmembranes by specific radioactiveantibodies (B) the detection of DNA fragments onmembranes by a radioactive DNAprobe (C) the detection of proteins on membranesusing a radioactive DNA probe (D) the detection of DNA fragments onmembranes by specific radioactiveantibodies Superoxide dismutase is an important enzyme for maintenance of red blood cells and is defective insome neurodegenerative diseases. What…