Ans 2 - Auxotroph
Auxotroph organisms are termed as the mutant organism that requires additional nutrient that is different from normal/ wild type strain.
Ans 3 - Polycistronic mRNA
The cluster of genes contains a single transcription unit called an operon. Translation at the beginning of each of the genes in this mRNA produces multiple polypeptides. A cistron is termed as a genetic unit which encodes a single polypeptide hence this type of mRNA is known as polycistronic mRNA.
Ans 6 - Selection
In bacterial transformation, the bacteria are selected on antibiotic plates to determine transformation efficiency. Bacteria with antibiotic-resistant will grow on the master plant that contains that colony.
Ans 4 - Double-stranded DNA
Double-stranded DNA is seen in all the eukaryotes but some viruses like Adenoviruses also have double-stranded DNA.
Ans 5 - Target mRNA molecule
Northern blotting is a molecular biology technique in which RNA is isolated and run on a gel and later hybridize with a probe.
please answer all the wild as a A mutant with a nutritional requirement that is NOT...
QUESTION 41 The original precursor of viruses is unknown. Which of the following is types of virus genomes might a plasmld be a hypothetical candidate precursor: A. minus-strand RNA B. single-stranded DNA OC. double-stranded DNA D.plus-strand RNA E. double-stranded RNA QUESTION 42 A polycistronic mRNA means: A. the mRNA does not contain a cap B. the mRNA does not contain a poly (A) tail OC the mRNA encodes multiple gekes D.the mRNA encodes only a single protein OE the mRNA...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which b bhosted.cuny.edu/webapps/assessment/take launch ofcourse assessment id. 1399019 1course de 16 € > C Remaining Time 39 minutes, 18 seconds Question Completion Status QUESTION 39 Two human diseases caused by viruses are O polio and bovine spongiform encephalopathy smallpox and polio O malaria and tuberculosis smallpox and bovine spongiform encephalopathy QUESTION 40 A process that requires a virus to transfer DNA between two bacterial cells...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
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106. What process helps compact the DNA in a chromosome? A) anaphase promoting complex B) entry into S-phase of the cell cycle C) removal of the nuclear lamina D) removal of methyl groups from DNA E) histone de-acetylation 107. What does DNA Ligase do? A) removes mismatched nucleotides B) adds complimentary bases to single stranded DNA C) joins the ends of chromosomes together D) forms a phosphodiester covalent bond between adjacent nucleotides E) chews up single...
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13. What would be the MOST likely effect of mutating the consensus sequence found at the 5' splice site of an intron? 1. A longer than normal mRNA would be produced. 2. A shorter than normal protein would be produced. 3. A longer than normal DNA would be produced....
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Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
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14. The gram stain differentiates bacteria based on the staining reactions of a. cell membrane b. capsule c. cytoplasm d. cell wall 15. The following bacteria is the causative agent of most common venereal disease. a Neisseria gonorrhoeae b. Treponema palladium c. Herpes virus d. Chiamydia trachomatis 16. Methods of cell division in bacteria is a. conjugation b. binary fission c. sporolation d. none of...
RNA differs from DNA in that it: all of the above contains ribose sugar contains uracil is usually found as a single-stranded molecule in cells Question 21 pts The correct order of steps in a PCR cycle is: Extension, denaturation, annealing Annealing, extension, denaturation Annealing, denaturation, extension Denaturation, annealing, extension The goal of the polymerase chain reaction (PCR) is to: Amplify a small amount of DNA sequence Cleave DNA molecules Digest bacterial plasmids Sequence DNA Which of the following is...
24. What would be the anticodon if the template strand of DNA Is ACC A UCC B.) TGG UGG D. ACC E. TCC 25. Prior to protein synthesis, the DNA A. attracts tRNAs with appropriate amino acids. 6.) serves as a template for the production of mRNA. C. adheres to ribosomes for protein synthesis. D. contains anticodons that become codons. E. must first undergo replication. 26. The Human Genome Project has revealed that human DNA has approximately A. 30,000 bases...
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To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...