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Unit 2 Cells
| Question | Answer |
|---|---|
| What is the smallest unit of life? | a cell |
| When viewing a cell, which tool would you use to identify specific parts of the cell? | microscope |
| Which scientist named "cells"? | Robert Hooke |
| What organelle is the storage container of the cell? | Vacuole |
| What part of the cell is a tough, rigid outer covering that protects the cell and gives it shape? | cell wall |
| The endoplasmic reticulum in a cell is like a conveyor belt because it moves material. It may be rough or smooth based on the presence of which organelle? | ribosomes |
| What is the name of the constantly moving, gel-like mixture in a cell? | Cytoplasm |
| What is the membrane-surrounded component of the cell that has specialized functions? | organelle |
| What part of the cell is a protective layer around cells that helps to regulate interactions between the cell and the environment? | cell membrane |
| Which cell structure could be called the packaging center of the cell? | Golgi Apparatus |
| Which organelle is responsible for releasing energy in the cell? | mitochondria |
| Why is the nucleus of the cell important? | It controls the activities of the cell |
| What is the primary function of lysosomes? | to break down and recycle cellular parts |
| What is the primary function of chloroplast? | to convert carbon dioxide, sunlight, and water into sugar (photosynthesis) |
| What type of cell are plant and animal cells? | eukaryotic |
| What scientist led to the development of The Cell Theory? | Hooke, Schleiden, Schwann, Virchow |
| Plants, algae, fungi, and most bacteria are enclosed in what? | cell walls |
| What are the structures within the cytoplasm of eukaryotic cells called? | organelles |
| What are the long chains of molecules that make up many substances in cells? | macromolecules |
| What substances make up 75% of the volume of cells | water |
| Which type of cells have a nucleus and membrane bound structures such as lysosomes, golgi, and endoplasmic reticulum? | eukaryotic cells |
| Which macromolecule contains genetic information? | nucleic acids |
| Which microscope could be used to study the movement of protists in water? | Compound Microscope |
| Why might a scientist choose to use a compound microscope rather than an electron microscope? | to study living specimens |
| What are the 3 parts to the cell theory? | 1. All living things are made up of cells. 2. The cell is the smallest unit of life. 3. All new cells come from pre-existing cells. |
| Which characteristic of lipids makes them useful as protective barriers in cells? | they do not dissolve in water |
| Give an example of a prokaryotic cell. | bacterium |
| Make a statement about a transmission electron microscope (TEM) | electrons pass through it |
| What is NOT a characteristic of a eukaryotic cell? | DNA floats in the cytoplasm |
| Which structure is NOT found in animal cells? | cell wall |
| Organelles that prepare proteins for their specific jobs, and package the proteins for transportation from one area in a cell to another are called _____? | golgi apparatus |
| What is the job of the cell membrane? | it controls what goes in and out of the cell |
Created by:
Tabatha Walker