Answer:
The correct answer is "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach".
Explanation:
The missing option of this question is the one that is correct, which is "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach". A virus is able to infect by recognizing particular components that are present in the surface of the host cell. If this components are absent in the cell, the virus is not able to infect it. Therefore, the "host range" is determined by the presence or absence of this particular components.
Jupiter is the planet made mostly of gas
Vacuole. Vacuole is the cell’s storage area.
Answer:
Biome
Explanation:
Biome is a part of the habitat where an organism lives, feed and carryout its own life process.
Answer:
The correct options are - A, B, and D.
Explanation:
Cell theory is a historical theory about the cell that is presented in 1839. The scientists that are credited for cell theory are Robert Hooke, Rudolf Virchow, and Matthias Schleiden, Theodor Schwann.
The major three points of the cell theory that are universally accepted as follows:
1. All livings are composed of one or more cells.
2. All cells are produced by or come from pre-existing cells.
3. The cell is the fundamental, structural and functional unit of life in every living organism.
Thus, the correct answer is - A, B, and D.