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Two similarities:
- both have a nucleus
- atom is the simplest unit of matter in general, biological cell is unit of living matter
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Weight atom vs cell?
atom<cell
Compare the use of the word nucleus in the biology to the use of the word in physical science?
In terms of biology, the word nucleus suggest that is a part of a living cell. Nucleus in cell + the cytoplasm of the cell = protoplasm. In physical science, the word nucleus suggest that it is a part of an atom.
What is description of a physical model?
A physical model is a smaller or larger physical copy of an object. The object being modelled may be small(for example, an atom or cell) or large (for example, the Solar System).
What is nuclear in science?
It means referring to the nucleus. The nucleus may be that of a biological cell, an atom or a stellar system. It can be the centre of any object in which the centre is different from the outer parts.
What is biological assimilation?
Assimilation is the absorbtion of biological nutrients into the cell
Which series shows the level of organisms in order from the smallest to the largest structure?
atom, molecule, cell, organiism
What are the levels of biological organism?
biosphere ecosystem community population multicelled organism organ system tissue cell organelle molecule atom subatomic particle
Why can oxygen across a cell membrane but a protein cannot?
Because an oxygen atom is very small and a protein is made up of lots of atoms and is therefore very large by comparison.
Which is smaller a cell organelle or an atom?
atom
What is smaller cell or atom?
An atom is smaller.
What is the different between computer cell and biological cell?
reproduction
Why can oxygen defuse across a cell membrane but protein cannot?
Because an oxygen atom is very small and a protein is made up of lots of atoms and is therefore very large by comparison.
