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Are nucleoside analogs that inhibit DNA synthesis effective against viral diseases?
Yes, nucleoside analogs that inhibit DNA synthesis are effective against viral diseases because they can interfere with viral replication by disrupting the synthesis of viral DNA. These analogs can be incorporated into viral DNA, causing errors in replication and ultimately inhibiting viral replication and spread within the body.
What is the viral DNA that is embedded in a host's DNA?
The viral DNA that is embedded in a host's DNA is called a provirus.
Would you expect a viral DNA to code for ribosomal RNAs?
No. Viral DNA is going to code only for viral DNA. Viral RNA will code for viral RNA.
What is viral DNA incorporated in bacterial DNA called?
Viral DNA incorporated in bacterial DNA is called a prophage.
Which best explains why DNA technology is important for disease prevention?
DNA technology allows for the identification of genetic predispositions to diseases, enabling personalized medicine and targeted interventions for at-risk individuals. It also facilitates the development of precise diagnostic tests for early detection of diseases and monitoring treatment responses. Furthermore, DNA technology plays a crucial role in developing vaccines and therapeutics by understanding the genetic basis of diseases.
What are the 3 stes of lysogenic infection?
The three stages of lysogenic infection are attachment, insertion (integration) of viral DNA into host DNA, and replication of the viral DNA along with host DNA.
What makes copies of viral DNA?
During the process of viral replication, the virus uses host cells to produce copies of its viral DNA. This process typically involves the virus injecting its genetic material into the host cell's nucleus, where it hijacks the cell's machinery to replicate its DNA. This results in the production of multiple copies of the viral DNA, which can then be packaged into new viral particles.
What enzyme inserts viral DNA into the host's chromosomal DNA?
The enzyme responsible for inserting viral DNA into the host's chromosomal DNA is called integrase. Integrase plays a crucial role in the integration of the viral genome into the host cell's DNA, allowing the virus to replicate and persist within the host cell.
What Diseases passed from parents to offspring?
Bacteria are too large to cross the placenta, however viruses can. This means bacterial infections are not transmitted, but viral infections can be. Examples of viral infections include rubella, HIV and chicken pox. DNA related diseases like Huntington's and Tay-Sachs can be inherited by the offspring of a sufferer.
Why do viruses depend in host cells?
Viruses are composed of protein and DNA. The DNA encodes the protein as well as the DNA for the virus. Viruses depend on host cells because they are incapable of reproducing themselves. They enter the host cell and the viral DNA is inserted into the host DNA. The virus then "hijacks" the host cells replication machinery to make more viral protein and viral DNA.
Viral DNA inserts itself into the bacterial chromosome during?
the process of lysogeny. This occurs when the viral DNA integrates into the bacterial chromosome, becoming a prophage. The integrated viral DNA replicates along with the bacterial DNA until conditions favor the virus to become active and enter the lytic cycle.
Why when viral RNA is transcripted into DNA there will be remaining segment of DNA after replication?
When viral RNA is transcribed into DNA, the enzyme reverse transcriptase may not always copy the entire viral RNA molecule. This can lead to a shorter DNA segment being produced, resulting in a loss of genetic information. During replication, this shorter DNA segment is then duplicated along with the rest of the viral genome, maintaining the incomplete section in subsequent generations of the virus.
