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lyudmila [28]
3 years ago
15

How are the steps of SARS-CoV-2 infection different from lytic infection of a DNA virus? How are they similar?

Biology
1 answer:
katovenus [111]3 years ago
5 0

Answer and Explanation:

<em>Differences</em>

  • In a typical lytic cycle, complete viral body doesn't enter the host cell rather it injects the DNA after the attachement. In case of SARS-CoV-2, the virla body is engulfed by the host cell.
  • In a lytic cycle, host cell's DNA is degraded and the viral DNA take over the machinery of the host to replicate. However, in case of SARS-CoV-2, host DNA is not degraded (at least unknown till today), then the released RNA remains in the host cytoplasm, and a specific section of infecting RNA is translated to make RNA-dependent RNA polymerase.
  • In a lytic cycle, newly formed copies ultimately break the cell wall and the viruses are released outside. In SARS-CoV-2, however, the release of virus does not require cell lysis. It is an enveloped virus.

<em>Similarities</em>

  • Just like lytic cycle, SARS-CoV-2 also finds a receptor on the host cell (ACE2) and attaches for further action (attachment step).
  • Once viral RNA-dependent RNA polymerase is produced, it makes complete copies of the genomic RNA of the SARS-CoV-2. Then, these copies are packaged into new virions.
  • The RNA is then translated into viral proteins such as structural proteins, viral proteases, and RNA-dependent RNA polymerase. This process is completed by using the host ribosomes.
  • The newly prepared proteins are packaged in the virions.

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<h2>Answer:</h2>

As in a given cross two genes control the height and flower color. Tall height (T) is dominant over the short height (t) and yellow flowers (Y) are dominant over the white flower (y).

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TTYY × ttyy or It can be TtYy × ttyy or TTYy × ttyy or TtYY × ttyy

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3 years ago
Match the following terms and definitions.
patriot [66]
<h2>(Answer 1 points 3)</h2><h2>A. Taxon</h2><h3>3. the categories used in classifying organisms.</h3><h2>Explanation:</h2>

In other words, we can also say that taxon is also known as a taxonomic group of any rank, such as a species, family, or class. It is a group of one or more than one different populations of an organism or the organisms viewed by taxonomists to make a system. These are the rules for naming new animals.

<h2>(Answer 2 points 3)</h2><h2>B. Taxonomy</h2><h3>1. the science of the classification of organisms.</h3><h2>Explanation:</h2>

A taxonomy is said to be a scheme of classification or in other words, we can also define the term taxonomy as the branch of science involved with classification, especially of organisms, systematics. Organisms are grouped together. This science of gives name, describe and classify the organisms including all the plants, animals and the microorganisms of the world.

<h2>(Answer 3 points 3)</h2><h2>C. Family</h2><h3>4. A taxonomic category containing a group of similar genera.</h3><h2>Explanation:</h2>

Family is the one that has been classified between order and genus. A family is also divided into the subfamilies. It is one of the eight main and important taxonomic levels. It is a primary taxonomic category of organisms ranking. This category comes on the sixth number of all the categories lies in a taxonomic group.

<h2>(Answer 4 points 3)</h2><h2>D. domain</h2><h3>2. The largest taxonomic category.</h3><h2>Explanation:</h2>

In the three-domain system of taxonomy, if we talk about the domain then we would define it as the superkingdom or empire. It can also be said to be as it is the highest taxonomic rank of organisms. It is a taxonomic category above the kingdom level. There are three domain such as Bacteria, Archean, and Eukarya, which we can say are the major categories of life.


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mezya [45]

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