Technical virology questions about ERVs and RNA vs. DNA viral rates of mutation?

1 Answer

Answer :

You’re going to make me dig out my old biochemistry texts for this one. Don’t have time now but I’ll do it when I get home from work.

Related questions

Description : The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation

Last Answer : Ans:(b)

Description : Synthesis of RNA and a DNA template is known as (A) Replication (B) Translation (C) Transcription (D) Mutation

Last Answer : Answer : C

Description : .After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

Last Answer : (d) RNA transcription pattern.

Description : After a mutation at a genetic locus the character of an organism changes due to change in (a) protein structure (b) DNA replication (c) protein synthesis pattern (d) RNA transcription pattern.

Last Answer : a) protein structure

Description : The only correct statement about oncoviruses is (A) All the oncoviruses are RNA viruses (B) Reverse transcriptase is present in all oncoviruses (C) Viral oncogenes are identical to human protooncogens (D) Both DNA and RNA viruses can be oncoviruses

Last Answer : Answer : D

Description : Viral genomes consist of a. DNA only. b. RNA only. c. DNA or RNA. d. DNA and RNA

Last Answer : c. DNA or RNA.

Description : The antiviral action of amantadine is exerted through: A. Interaction with the viral M2 protein B. Interaction with a virus directed thymidine kinase C. Inhibition of a viral protease enzyme D. Inhibition of viral RNA mediated DNA synthesi

Last Answer : A. Interaction with the viral M2 protein

Description : What microbiological field was established by Winogradsky and Beijerinck? a. Virology b. Microbial ecology c. Bacteriology d. Mycology

Last Answer : b. Microbial ecology

Description : What is the name for the field of study established by Semmelweis and Snow in the mid l800s? a. immunology b. Bacteriology c. Virology d. Cpidcniology

Last Answer : d. Cpidcniology

Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Last Answer : Answer : A

Description : Which one of the following statements about interferon is FALSE? a. Interferon is produced in response to a viral infection. b. Interferon is a naturally produced protein. c. Interferon puts uninfected cells in an antiviral state. d. Interferon is a protein that binds to RNA virus genomes.

Last Answer : d. Interferon is a protein that binds to RNA virus genomes.

Description : Which of the following statements reflect the treatment of HIV infection? a) Treatment of HIV infection for an individual patient is based on the clinical condition of the patient, CD4 T cell count level, and ... CD4+ T cells/mm3 or plasma HIV RNA levels exceeding 55,000 copies/mL (RT-PCR assay).

Last Answer : a) Treatment of HIV infection for an individual patient is based on the clinical condition of the patient, CD4 T cell count level, and HIV RNA (viral load). Although specific therapies vary, treatment of ... : the clinical condition of the patient, CD4 T cell count level, and HIV RNA (viral load).

Description : The origin of a new species first requires A) reduced gene flow. B) increased gene flow. C) reduced mutation rates. D) increased mutation rates.

Last Answer : A) reduced gene flow.

Description : How does DNA polymerase prevent mutation?

Last Answer : It checks DNA for errors during replication.

Description : How does a mutation in a gene affect the order of DNA based?

Last Answer : A mutation in a gene can happen by addition, deletion orsubstitution of base pairs. This means that the order of the baseswill change- a new base may be added, a base may be lost, or onebase ... occurs in a sex cell, themutation can be passed on to an offspring and affect theoffspring's phenotype.

Description : What type of mutation removes a thymine from DNA?

Last Answer : Feel Free to Answer

Description : What is one way our DNA can change and cause mutation?

Last Answer : A radioactive carbon isotope can "convert" ... changing thechemistry of a codon.

Description : If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in (A) Silent mutation (B) Acceptable mis-sense mutation (C) Nonsense mutation (D) Frameshift mutation

Last Answer : Answer : C

Description : Substitution of a thymine base by adenine in DNA is known as ((A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : C

Description : Substitution of an adenine base by guanine in DNA is known as (A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : B

Description : In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit

Last Answer : Answer : B

Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Last Answer : (d) Palindromic sequence of base pairs

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

Description : .Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : b) mutation

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

Description : Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : mutation

Description : A bacterial cell that is transformed _____. a. Cannot Form A Conjugation Pilus. b. Has Undergone A Frameshift Mutation. c. Has Acquired Dna From The Environment. d. Will Probably Die Within 24 Hours.

Last Answer : c. Has Acquired Dna From The Environment.

Description : A heritable change in DNA is called a ______. a. mistake b. mutation c. gene d. pathogen

Last Answer : b. mutation

Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Description : Proto-oncogenes are: B A. DNA sequences in cells that are oncogenes themselves B. Cellular copies of genes that were first found in oncogenic retroviruses C. DNA viral sequences that are known to infect human cells D. Bacterial DNA counterparts

Last Answer : Cellular copies of genes that were first found in oncogenic retroviruses

Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Last Answer : (c) When HIV damages large number of helper T  - lymphocytes

Description : 1. Bacteria protect themselves from viruses by fragmenting viral DNA with a. Ligase b. Endonuclease c. Exonuclease d. Gyrase

Last Answer : Ans: Endonuclease.

Description : Answer the following questions in about 120 words. How have technical and economic development led to more consumption of resources ? -SST 10th

Last Answer : Technical and economic development has led to more consumption resources because of the following reasons: 1). Technology has led to the development of various types of industries which ... Increase in population and improvement in medical facilities has also increased demands for more resources.

Description : Which do you prefer answering: Technical questions or self-awareness or philosophical questions?

Last Answer : I prefer self awareness question over technical questions. Because I am not convenient in technical questions. But I must agree technical questions used to learn new things everyday. Self awareness or psychological questions helps to learn about the life morals.

Description : If I buy a modem to use with my DSL service can my service provider help me with technical questions?

Last Answer : No. Most DSL providers will not support modems not purchased through their company. You would need to contact the modem manufacturer for support.

Description : What is the difference between DNA and RNA polymerase?

Last Answer : DNA polymerase is responsible for synthesizing new strands of DNA during DNA replication, while RNA polymerase is responsible for synthesizing mRNA during transcription.

Description : What is the difference between DNA and RNA?

Last Answer : DNA is a double-stranded molecule that contains genetic information, while RNA is a single-stranded molecule that acts as a messenger to carry genetic information from DNA to the ribosomes.

Description : Nitrogen 1. Is non-essential for the animal bodies 2. In air dilutes oxygen which, otherwise, is very active in the pure form 3. Makes oxygen soluble in blood 4. Is present in DNA and RNA The correct statements are: (a) 1 and 4 only (b) 2 and 4 only (c) 3 and 4 only (d) 1 and 2 only

Last Answer : Ans:(b)

Description : Consider the following statements. 1. Ozone is an allotropic form of oxygen 2. Phosphorus is present in DNA and RNA 3. Halogens occur in free state in nature. 4. The compounds of chlorine are used as cooling agents. The correct statements are: (a) 1 and 4 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2

Last Answer : Ans:(d)

Description : DNA replication means (a) DNA → DNA (b) DNA → RNA (c) Autocatalytic function of DNA (d) Heterocatalytic function of DNA

Last Answer : Ans:(a)

Description : The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Last Answer : Ans:(a)

Description : Gene is (a) A segment of DNA or functional RNA (b) A segment of DNA and histone (c) A segment of DNA, RNA and histone (d) All of the above

Last Answer : Ans:(a)

Description : Most viruses that infect plant possess (a) single-stranded DNA (b) single-stranded RNA (c) double-stranded DNA and RNA (d) double - stranded RNA only

Last Answer : Ans:(b)

Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Last Answer : Ans:(a)

Description : The element present in DNA and RNA?

Last Answer : Phosphorus

Description : AIDS virus is----------- A. Single-stranded RNA (Answer) B. Single-stranded DNA C. Double-stranded RNA D. Double-stranded DNA

Last Answer : A. Single-stranded RNA (Answer)

Description : What is the difference between DNA and RNA?

Last Answer : A: DNA is the genetic material that contains the genetic information for the cell, while RNA is a nucleic acid that is responsible for translating the genetic information in DNA into proteins.

Description : What is the difference between DNA and RNA?

Last Answer : A: DNA (deoxyribonucleic acid) is a double-stranded nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms, while RNA (ribonucleic acid) is a single-stranded nucleic acid that plays a key role in protein synthesis.

Description : What is the difference between DNA and RNA?

Last Answer : A: DNA is the genetic material that contains the instructions for building and maintaining an organism, while RNA is a molecule that helps carry out the instructions encoded in DNA and is involved in the synthesis of proteins.

Description : What is the difference between DNA and RNA?

Last Answer : A: DNA (deoxyribonucleic acid) is the genetic material that carries the hereditary information of an organism, while RNA (ribonucleic acid) is involved in gene expression and protein synthesis.