click below
click below
Normal Size Small Size show me how
Cells
Cell Unit - microscopes, cell theory, cell structure, cell comparison
| Question | Answer |
|---|---|
| What is the smallest uni t of life? | cell |
| What substance makes up 75% of the volume of cells? | water |
| When viewing a cell, which toll would you use to identify specific parts of a cell? | microscope |
| Who named the cell? | Hooke |
| What cell organelle is a storage container? | vacuole |
| What cell part is a tough, rigid outer covering that protects the cell and gives it shape? | cell wall |
| The endoplasmic reticulum is called rough ER when it has what on it? | ribosomes |
| What do we call the constantly moving gel-like mixture in a cell? | cytoplasm |
| What is the membrane-surrounded component of a Eukaryotic cell that has specialized functions? | organelle |
| What part of a cell is a flexible protective layer around all cells that helps regulate interactions between the cell and the environment? | cell membrane |
| What organelle releases energy from food? | mitochondria |
| What cell organelle controls the activity of the cell? | nucleus |
| What organelle breaks down and recycles waste and worn out cell parts? | lysosomes |
| What plant cell organelle converts carbon dioxide, sunlight and water into sugar during photosynthesis? | chloroplast |
| What type of cells are plant and animal cells? | Eukaryotic |
| What scientist led to the development of the cell theory? | Hooke, Schleiden, Schwann, Virchow |
| Which cell structure could be called the packaging and shipping center of the cell? | golgi |
| Plants, algae, fungi, and most bacteria are enclosed in a what? | cell wall |
| What are long chains of molecules that make up many substances in cells? | macromolecules |
| What type of cell has a nucleus? | Eukaryotic |
| Which macromolecule contains hereditary material? | nucleic acids |
| Why might a scientist choose to use a compound microscope rather than an electron microscope? | to study living specimens |
| What are the 3 parts of the cell theory? | 1. cell is the basic unit of life 2. all living things contain cells 3. cels come from pre-exisiting cells |
| What makes lipids good barriers? | lipids |
| Which microscope could be used to study the movement of protists in water? | compound |
| Which microscope passes electrons through a specimen? | TEM |
| Which is an example of a prokaryotic cell? | bacterium |
| Does DNA float in the cytoplasm of Eukaryotic cells? | no |
| Are Eukaryotic cells typically larger than bacteria cells? | yes |
| what is not found in an animal cell? | cell wall and chloroplast |
| Which organelle is in charge of protein production? | ribosomes |
| Which cell part controls what goes in and out of a cell? | cell membrane |
| Be able to recognize all cell organelles by sight | |
| Be able to compare the plant and animal cells and to recognize them by sight |