1. All living things are composed of cells.
2. Cells are the basic unit of all living things
3. All cells come from previously existing cells.
100
This is a special boundary that all cells have. It helps control what enters and leaves the cell.
What is the Plasma Membrane
100
This manufactures proteins. (Made of RNA and Protein)
What is ribosomes
100
Which contains a nucleus and other organelles bound by membranes. AKA membrane-bound organelles
What is Eukaryotic Cells
100
What shape is a plant cell?
What is a rectangle
200
_____________ observes cork and names the tiny chambers he sees cells
Who is Robert Hooke
200
The environment inside the plasma membrane is a semifluid material called ___________
What is cytoplasm
200
The site for protein and lipid synthesis. (Can work alone or with ribosomes attached.)
What is Endoplasmic Reticulum
200
Bacteria are considered to be what type of cell?
What are prokaryotic cells
200
An inflexible barrier that provides support and protects the plant cell
What is the cell wall
300
Who studied plants and learned that plants are composed of cells?
Who is Matthias Schleiden
300
This is made of substructures called microtubules and microfilaments.
What is the cytoskeleton
300
The ______________________ is a flattened stack of membranes that modifies, sorts, and packages proteins into sacs called vesicles.
What is the Golgi apparatus.
300
Which type of cell contains a nucleus?
What are Eukaryotic cells
300
This works to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules
What is Chloroplast
400
What principle did prussian physician Rudolph Virchow purpose in 1855?
All cells come from previous cells
400
This directs cell processes, holds most of the cell's DNA, and is surrounded by the nuclear envelope.
What is the nucleus.
400
The "Clean-up Crew" or vesicles that contain substances that digest excess or worn-out organelles, bacteria, viruses, and food particles
What are Lysosomes
400
Short, numerous projections that look like hairs and aid in locomotion and feeding; also used to sweep substances along surfaces.
What is cilia
400
The main purpose of this organelle is to hold water but it can also hold other materials for the cell
What is the vacuole
500
How did Anton Van Leeuwenhoek discover bacteria?
By examining dental scrappings
500
Groups of microtubules form _______ which are required in cell division.
What are centrioles
500
A membrane-bound organelle that makes energy available for the rest of the cell.
What is the mitochondria
500
Prokaryotic cells use ______________ in a whip like motion of aid in locomotion and feeding
What is Flagella
500
TRUE OR FALSE
Cell walls have channels that perforate the cell's wall, allowing easier exchange between the cell and its environment.