Why do DNA viruses transform only non permissive cells? Why do DNA viruses have such a...
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e Cells have acids DNA and RNA, and viruses have either DNA or RNA D Viruses require a host to reproduce, and cell reproduce independently 6 Which of these observation is most likely a result of the regulation of gene expression? A A child born with blue eyes whose parents both have brown eyes The development of spoken and written language skills by children as they Imitate the skills shown by others B...
What is DNA isolation? Group of answer choices The extraction of DNA from viruses or cells. The rupturing of the DNA molecule. The moving of DNA from 1 cell to another. Copying of the DNA molecule. Measuring the DNA molecule for transport.
How do viruses acquire an envelope? Viruses manufacture cell membranes because it is encoded in their nucleic acid. Animal viruses don't make membranous envelopes; these are only produced in phage viruses. Only DNA viruses make envelopes because they have a gene for phospholipid production. When virus are released from host cell, they take the host cell membrane along with synthesized viral glycoproteins.
Briefly, how do viruses enter animal cells?
Q1. Why do viruses have a high rate of mutation? Are all mutations that arise in viruses beneficial towards the virus spread? Give a reason why a high rate of mutation in a virus can lead to repetitive infections? 3 pts
1. what is CRISPR gene editing? 2. what enzyme is used to cut DNA? 3.Why do bacteria use CRISPR? 4.How is the enzyme targeted to a specific DNA sequence? 5.what need to be done in order to make sure the proper human protein is made in bacteria cells? 6.How can you check for proper orientation of the inserted DNA in the plasmid? 7. Why are iPSCs useful for studying hereditary neuronal diseases such as Alzheimer's. 8. How are pig cells...
Why would selection have favored ‘protocells’ that used DNA to store genetic information? Group of answer choices DNA is more stable and has a lower mutation rate. DNA can evolve more quickly Because DNA cannot catalyze reactions DNA viruses are less harmful than RNA viruses. DNA viruses are less harmful than RNA viruses.
Why don't living cells have DNA replication in the 3 to 5' direction? Be very specific
Which part of the Central DOgma do some viruses violate? a. DNA is the template for RNA b. RNA is the template for proteins c. protein is the template for proteins d. proteins make DNA
Explain how a superantigen toxin non-specifically stimulates T cells. Why does non-specific stimulation of T cells make a person sick? Explain the molecular mechanisms by which quorum sensing regulates TSST-1 expression. How do superantigens promote immune evasion? Describe impacts on B cells and T cells Why is toxic shock syndrome associated with high absorbency tampons and menstruation?