Answer:
Explanation:
capsid
Explanation: Protein is the structure that is found in both virus and cells. The capsid of a virus is made up of many structural subunits of proteins known as protomers.
Astronomy is the study of universe in a way, because it studies astronomical bodies and how they interact between eachother.
The objects they study can be comets, planets, stars, black wholes, asteroids, etc.
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BioTeacher101
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<span>The answer is
c. .mitochondrion</span>