Answer:
a scientific question is a hypothesis. which has to be testable.
Explanation:
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Answer:
The unified cell theory states that, all living things are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells.
Explanation:
Answer:1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
These organelles group together to eventually form cells, or the basic units of all living things.
Organelles are specialized structures in the cytoplasm of cells which provide essential cell functions and are composed of different molecules (macromolecules). Cells as the smallest basic units of life are then grouped in tissues (similar cells which provide a specific function), layers of different tissues work together to provide specific function and form organ, organ group in organ systems which then compose the whole organism.
Answer:
The cell membrane
Explanation:
This is the phospholipid bilayer that everything that wants to come into the cell has to move throught. It is also selectively permeable.
