Which of the following is NOT a part of the Cell Theory?

• All living things are made of one or more cells

• Cells are the basic unit of structure and function in living things

• All cells come from pre-existing cells

• Cells can form from non-living materials

Which type of microscope allows scientists to see the most detailed cell structures?

• Early microscopes

• Compound microscopes

• Modern electron microscopes

• Hand lenses

What is the first step in developing a scientific theory?

• Testing ideas

• Making observations

• Collecting evidence

• Reviewing results

Which statement is true about both scientific theories and laws?

• They never change

• They are not important in science

• They can change if new evidence is discovered

• They are only used in biology

Why must scientific ideas be open to change?

• Because new evidence may be found

• Because scientists get bored

• Because laws are always wrong

• Because experiments are not important

What is the maximum magnification of a compound microscope?

• Up to 1000x

• Up to 100x

• Up to 10,000x

• Up to 500x

What is the maximum magnification of a dissecting microscope?

• Up to 100x

• Up to 1000x

• Up to 10,000x

• Up to 500x

Which type of microscope can show extremely tiny cellular structures?

• Electron microscope

• Compound microscope

• Dissecting microscope

• Light microscope

Which electron microscope is used to view internal cell structures?

• Transmission Electron Microscope (TEM)

• Scanning Electron Microscope (SEM)

• Compound microscope

• Dissecting microscope

What is the main difference between prokaryotic and eukaryotic cells?

• Eukaryotic cells are more complex than prokaryotic cells.

• Prokaryotic cells have a nucleus.

• Eukaryotic cells lack a cell membrane.

• Prokaryotic cells have mitochondria.