Answer:
SARS- CoV- 2 is a virus that infects human by the oral-respiratory way in which the virus enters the body and these viruses have spikes on their surface made of spike proteins that allow these viruses to bind with the infected cell.
The infected cells have ACE2 receptor that is protein present on the surface of the human cells. Binding allows the structural change in the virus to fuse and enter in the cell where viruses reproduce them selves with the cell with cell system.
Answer:
The conduct ,aims or qualities that characterize or mark a profession or a professional person is known as professionalism.
Explanation:
Hope it helps.
Two texts can be similar, based on the content of the write-up and some of the ways they can be similar are:
- Through their tone
- Through their plot
- Through their theme, etc
<h3>What is Comparison?</h3>
This refers to the side-by-side view of two or more entities in order to find similarities or/and differences.
Hence, we can see that your question is incomplete because you did not include the texts and thus, a general overview was given to help you get a better understanding of the concept.
Read more about text comparisons here:
brainly.com/question/9087023
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Answer:
Down syndrome.
Explanation:
Down syndrome may be defined as the medical condition that occurs due to the presence of extra chromosome at the chromosome number 21. The individual has big head, rolled finger and tongue.
The chances of Down syndrome increases as the mother's age increases. The egg of the female get arrested at diplotene stage and with the increased age of mother the phenomena like translocation and non disjunction increases at this stage.
Thus, the correct answer is option (a).
