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5 questions
The simplest structures that can carry out all of the activities characteristic of life are:
cells
atoms
molecules
crystals
Cell theory states that all ____ are made of cells.
atoms
molecules
non-living things
living things
Tissues are composed of groups of...
unicellular organisms
specialized cells
specialized organs
organisms
Which of the following is made of cells?
a rock
a snowflake
a raindrop
a leaf
Which of the following statements is true about all cells?
they are all part of tissues
they all contain chlorophyll
they all have a cell wall
they all have a cell membrane
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