Chemistry, 24.03.2020 20:02 Reijected

9 Describe what happens during this step of
viral replication.

9 Describe what happens during this step of viral replication.

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Answer from: netflixacc0107

This figure shows uncoating step of viral replication where protein coat is shed off and genetic material is headed to nucleus for replication.

Explanation:

The replication of virus takes place in the host cell as they uses the host's machinery for this purpose.

The stages of virus replication are:

Attachment

penetration to host cell

uncoating of capsid

replication

assembly of virions

lysis of cell to release virion.

The step shown in the diagram is of uncoating phase of viral replication.

In the uncoating phase of replication of virus the protein coat or capsid is removed by the enzymatic activity of the virus or can be by host too. This shedding of coat causes nucleic acid of virus to be released into the host cell. The nucleic acid or genetic material or genomic DNA is taken to nucleus where the next step is replication.

Sometimes the entire nucleocapsid is targeted to nucleus and uncoating takes place there only.

Answer from: Quest

It was necessary to redeem the world and he knew that his son was the only way

Answer from: Quest

assuming that your periodic table has eighteen columns, you should highlight the four elements in the third column from the left of the table.

explanation

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the $3d$ have energy higher than those in the $4 s$ orbital while lower than those of the $4 p$ orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the $4s$ orbital is therefore filled right after $3p$ orbitals and before $3 d$ orbitals.

potassium has electron configuration $[\text{ar}] 4 s^{1}$ and calcium $[\text{ar}] 4 s^{2}$ . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration $[\text{ar}] 4 s^{2} \; 3d^{1}$ and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the $ns^{2} \; (n-1) p^{1}$ and should be highlighted as well.

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9 Describe what happens during this step of
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