Summarize how the virus interacts with the cells in the airway and lungs and is related to disease symptoms. use these in the sentence SARS-CoV-2, ACE2 receptor, epithelial cells

Sars-Cov2 infects epithelial cells by binding to the ACE2 receptor through the Spike proteins expressed on the virus surface. The virus enters the cell and begins to multiply causing cell death and triggering an inflammatory reaction in the airways and lungs (interstitial pneumonia). This causes all the Symptoms such as dispnea, cough, fever, chest pain etc ...

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.