Podcast
Questions and Answers
Which of the following statements accurately represents a part of the cell theory?
Which of the following statements accurately represents a part of the cell theory?
- The cell is not the fundamental unit of life according to the cell theory.
- Viruses are considered living organisms according to the cell theory.
- All living things are composed of atoms according to the cell theory. (correct)
- Cells come from non-living sources according to the cell theory.
What supports the claim that cells are the basic unit of life according to the cell theory?
What supports the claim that cells are the basic unit of life according to the cell theory?
- Cells can survive without oxygen.
- Cells come in various shapes and sizes.
- Cells contain DNA.
- Cells are the smallest living structures. (correct)
In scientific language, how is a 'theory' different from its everyday use?
In scientific language, how is a 'theory' different from its everyday use?
- 'Theory' in daily use is always based on scientific evidence.
- 'Theory' in science is based on unproven guesses.
- 'Theory' in daily language is held to a higher standard than in science.
- 'Theory' in science is backed by repeated observations and experiments. (correct)
Why have we never observed the cell theory not to be true?
Why have we never observed the cell theory not to be true?
Which statement contradicts the cell theory?
Which statement contradicts the cell theory?
What is the main reason why cells are often limited in size by the surface area to volume (SA:V) ratio?
What is the main reason why cells are often limited in size by the surface area to volume (SA:V) ratio?
Which characteristic defines all living things' capability to produce similar cells/organisms from existing ones?
Which characteristic defines all living things' capability to produce similar cells/organisms from existing ones?
In larger cells, why does the efficiency of exchange decrease compared to smaller cells?
In larger cells, why does the efficiency of exchange decrease compared to smaller cells?
Which cell adaptation maximizes the surface area to volume ratio by having long extensions?
Which cell adaptation maximizes the surface area to volume ratio by having long extensions?
Why are cubes often used to model cell size despite cells not being cubic in shape?
Why are cubes often used to model cell size despite cells not being cubic in shape?
