Cells are diverse
What is the two broad categories of cells?
Eukaryotic cell and the Prokaryotic cell.
Can cells stay alive without energy?
No, cells need energy to perform all the activities of life.
What did the invention of the light microscope lead to?
It led to the discovery of cells and to the development of cell theory.
Does the two broad categories of cells have nucleus'?
A Eukaryotic cell has a nucleus and the Prokaryotic cell doesn't have a nucleus.
What are chloroplasts?
Organelles in which the energy from sunlight is used to make sugar.
What are the lenses in light microscopes used for?
They are used to bend light and make objects bigger than they appear.
Every cell has a boundary that separates the inside from out. What is the boundary called.
The boundary is called the cell membrane.
Do animals contain chloroplasts and why?
No animals don't contain chloroplasts because they get their energy from the sun.
Whats an important advantage of light microscopes?
Scientists can observe living cells with them.
What is most of the work of the cell carried out in?
It's carried out in the cytoplasm.
What is mitochondria?
Mitochondria is organelles that use oxygen to get energy from processing food.
What are the two types of microscopes that are important in the study of cells?
The scanning electron microscope (SEM) and the transmission electron microscope (TEM).
What is an organelle?
It's a word used to describe any part of a cell that is enclosed by a membrane.
Where does plant and animal cells get their energy from?
They get their energy from the sugars that the organisms make or consume.
What's one thing that SEM and TEM have alike?
Tiny particles called electrons, not light, are used to produce images.