A virus is essentially made of RNA or DNA contained in a protein shell called _.

Question

A virus is essentially made of RNA or DNA contained in a protein shell called _. Some cells use cytoplasmic streams to bypass the limitation of _. As the cells size increases, the concentrations of materials tend to _. Compartmentalization ensures _ local concentrations of materials. The plasma membrane provides cell boundary and _ barrier. The most prominent organelle in the eukaryotic cell is the _. Cellular areas with high energy demand arc rich in _. The chloroplast contains _ membrane systems. Organelles that contain ribosomes are _ and _. Microtubules microfilaments and intermediate filaments make up the _. A viroid is made of _. A prion is made of _. Viruses viroids and prions arc all _.

Explanation / Answer

Question: 12. A virus is essentially made of RNA or DNA contained in a protein shell called _.

Answer: Capsid

Capsid is a regular, shell-like structure composed of aggregated protein subunits which surrounds the viral nucleic acid.

Question: 13. Some cells use cytoplasmic streams to bypass the limitations of _.

Answer: Diffusion

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