Microbiology:
Why is the transcription of the viral nucleic acid into viral mRNA the key event in the viral replication cycle? Explain.
The main function of the virus when it enters the cell is to use the host's machinery to make its proteins and structures. This is only possible if the mRNA of the virus is present as the host cell require the mRNA molecule to make proteins and that is the only way. So in order to use host's machinery, viral nucleic acid must first be translated into the format that is understandable by the host which is mRNA molecules.
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Microbiology: Why is the transcription of the viral nucleic acid into viral mRNA the key event...
How is the viral nucleic acid packaged into a virus particle and distinguished from other nucleic acids in the cell? Explain for segmented and non-segmented viral genomes
How is the viral nucleic acid packaged into a virus particle and distinguished from other nucleic acids in the cell? Explain for segmented and non-segmented viral genomes.
o o cell receptors, c, the type of nucleic acid it cell d viral enzymes e, the presence or absence of an envelope. The second step in viral replication is entry. For bacteriophage, entry usually involves Select one: a, receptor-mediated endocytosis, b. direct entry of the nucleic acid into the cell. c. membrane fusion mechanism of entry. d. phagocytosis, e. digestion of the peptidoglycan o The product(s) of the light reactions of photosynthesis
Why is viral transcription temporally regulated during the infectious cycle? How is such regulation achieved? (in your answer include positive and negative autoregulation and transcriptional cascades).
Enzymes Core Cytoplasm Attach Entry Intermediate mRNA WO TDNA Uncoating DNA replication DNA polymerase Intermediate transcription factors RNA polymerase Envelope Early mRNA Virus factory Late transcription factors Transcription factors Growth factors Immune defense molecules Late mRNA wwwеr Nucleus Concatemer resolution, DNA packaging Microtubules Late enzymes, early transcription factors, structural proteins Wrapping Maturation Actin tails w TGN or early endosomes MV IV Crescents After reviewing the steps of poxvirus replication, name as many unique or interesting aspects of this replication cycle...
In the context of transcription, briefly explain how mRNA is processed, why and where this happens and where the mature mRNA transcript goes next.
Help with some questions for Microbiology 1.What approaches do organisms use for viral suppression?Explain/compare/contrast use of antibodies, RNAi, and CRISPR-CAS. 2. How might extra copies of a single viral subunit affect viral replication? 3.What are spontaneous causes of mutation? How do those happen? 4. How/why do chemicals, radiation and mobile DNA act as mutagens? 5. What is a frame-shift? What are the causes and effects of a frame-shift? What is a frame-shift? What are the causes and effects of...
1. A is a unit of nucleic
Select the appropriate term from the table below to complete eacALUlllllell. tRNA rRNA replication transcription translation DNA. deletion translocation frame shift nucleus a l. A Duckohde unit of nucleic acid containing a sugar attached to is a phosphate group and a base. 2. The site of transcription is the the ribosome moves along the mRNA. 3. In the process of 4. A class of RNA molecules which is linked directly with protein synthesis,...
1) Describe the viral structure of Zika. 2) What type of nucleic acid is in Zika? 3) Which virus family is Zika a part of? 4) How is Zika transmitted? 5) What are the symptoms of Zika in both general hosts and also pregnant women and the baby that they are carrying?
Use the following to answer the questions below: For each of the nucleic acid situations, select the process with which it is associated using the response list. Responses may be used more than once or need not be used at all. a) translation phase of protein synthesis b) transcription phase of protein synthesis c) replication of DNA d) post-transcription phase of protein synthesis Okazaki fragments are formed.