Which of the Following Nucleic Acids Codes for Viral Genomes

2 Which of the following nucleic acids make s up viral genomes. Which of the following types of nucleic acid could form the genome of a virus.

Viruses Free Full Text Trans Acting Rna Rna Interactions In Segmented Rna Viruses Html

Baltimore 1971 pointed out that the expression of all viral genomes be they RNA or DNA ss or ds - or -sense converge on the mRNA stage Figure 62.

. Inject viral nucleic acid into host cell e. Viral genomes may consist of DNA or RNA 2 Which of the following is not caused by an emerging virus. 2 What determines whether or not an organism is in a virus host range.

There are four main categories of viral genomes. Viruses are obligate intracellular parasites. Viral genome sizes range from tiny 2 Mb and their genetic information may be stored within different types of nucleic acidsDNA or RNA single- or double-stranded ds circular or linear monopartite or segmented.

This is packaged into an icosahedron. Allow viruses to bind to each other d. When a virus finds a host cell the nucleic acid is injected into the host cell.

Negative-sense single-stranded RNA Oc. Emerging viruses arise by _____. 4 points QUESTION 11 Which of the following describes the type of nucleic acid used in the genomes of parvoviruses.

C The viral genome replicates without destroying the host. Single-stranded genomes consist of an unpaired nucleic acid analogous to one-half of a ladder split down the middle. 4 How do all viruses differ from bacteria group of answer choices.

Provide means for viruses to exchange nucleic acid. These categories are further divided on the basis of distinct modes of transcription. But this rule may not hold true in the case of viruses.

A viral genome irrespective of nucleic acid type is almost always either single-stranded or double-stranded. A They cannot reproduce without a host cell. Baltimore virus classification scheme based on genome type and method of mRNA synthesis Baltimore 1971.

Adenoviruses contain 11 pm long double-stranded DNA consisting of 35000 bp. Choose the statement that best describes the role of viral surface proteins or spikes. 3 What are the main differences between living cells and viruses.

Viral genomes provide examples of almost every structural variation imaginable. Candidates for the original source of viral genomes include _____. The viral nucleic acid Either DNA or RNA has the genetic codes for the synthesis of proteins to produce new viruses ie virus s genome.

It consists of two strands of DNA bound together and RNA is a single-stranded molecule. Deoxyribonucleic acid DNA is a double-stranded molecule ie. DsDNA ssDNA dsRNA and ssRNA.

Viral genomes are expressed from mRNAs that are either the nucleic acid of -sense ssRNA viruses or transcripts from -sense or dsRNA or from ds or ssDNA viruses. 6 What is the difference between DNA virus. 1 Which of the following are not true of all viruses.

Double-stranded genomes consist of two complementary paired nucleic acids analogous to a ladder. Double-stranded RNA 4 points QUESTION 12 How has the creation of reassortant viruses helped in the. Which of the following statements correctly describes one characteristic of the lytic cycle of viral replication.

Recent studies have shown that viral sequences mimic those of their hosts to some extent in part to evade immune responses 30 7374 and this can be used to predict viral hosts. Viruses have a protein capsid c. To this end we set out to survey virus genomes and proteins and investigate whether the scenario of RAWs fits with our previous human-derived findings.

1 Which of the following statements correctly describes viruses. Viruses have an inner core of nucleic acids b. A Many bacterial cells containing viral DNA are produced.

Genetic material composed of nucleic acid. A ssRNA B dsRNA C ssDNA D dsDNA. Which of the following types of viral genomes could be transcribed using reverse transcriptase.

I II and III. B Viral DNA is incorporated into the host genome. This shows that the nucleic acid is very tightly packaged in the viral particles.

For some RNA viruses the infecting genome acts as mRNA. B They contain DNA surrounded by a capsid. Provide means of attachment to host cell surface b.

This RNA is packaged into the rod-shaped compartment of 03 x 0008 pm. I and II only. The genetic material of TMV is single-stranded RNA containing 6400 nucleotides making up a length of 2 pm.

Viruses are only creatures that have genetic material composed of single-stranded DNA as well as double-stranded RNA. Nucleic Acid Res 3764666476 PubMed PubMedCentral CrossRef Google Scholar. 5 How does a virus differ from a bacterium.

D DNA or RNA. DNA and RNA Structure. Enable replication of the viral nucleic acid c.

Positive sense single-stranded RNA d. 1 How does the viral nucleic acid enter the bacterial host cell. The viral nucleic acid invades the nucleus and instructs the cell to make proteins which are assembled to produce further virus cell.

3 Which of the following statements correctly describes adenoviruses. In a virus the nucleic acid can be either DNA or RNA andin both casescan be either single- or double-stranded. D A large number of phages are released at a time.

Class IV viruses are characterized by which of the following types of genomes. To analyze the viral infection status in wild gerbils and to identify viral genomes at the core RNA virome in this study the heart liver spleen lung kidney bladder brain and intestines representing different tropisms of viruses of all gerbils samples were combined into seven viscera pools according to tissue types for analysis. O a Single-stranded DNA Ob.

The seven virus classes are DNA ssDNA and dsDNA RNA plus-sense ssRNA minus-sense ssRNA and dsRNA and reverse-transcribing ssRNA-reverse transcribing rt and dsDNA-rt viruses. Cohanim AB Haran TE 2009 The coexistence of the nucleosome positioning code with the genetic code on eukaryotic genomes.

Nucleic Acid Summary Britannica