Characteristics of Cells
The smallest functional and structural unit of all living organisms
What is a cell?
Found in only animal cells
What are lysosomes?
A collection of tissues that carries out a specialized function
What are organs?
All cells have a nucleus
What is false?
The first person to see individual cells
Who was Robert Hooke?
Any living thing
What is an organism?
Found in only plant cells, turns sunlight into food using photosynthesis
What are chloroplasts?
Put in the correct sign to solve the equation
Cells < Organism
Organs > Tissues
Tissues _ Organ System
What is the less than (<) symbol?
Only plant cells have a cell wall
What is true?
The first person to see small organisms
Who was Antonie van Leeuwenhoek?
Fill in the blanks: The organelle that contains DNA in eukaryotic cells is called a _______
What is a nucleus?
Found in both plant and animal cells, regulates what enters and leaves the cell
What is a cell membrane?
The arrangements of parts in an organism or object
What is structure?
Eukaryotic cells are smaller than prokaryotic cells
What is false?
Fill in the blanks:
______ ___ ___________ stated the first part of the cell theory (All organisms are made up of one or more cells)
Who was Antonie van Leeuwenhoek?
Match up these organelles with their description:
A. Lysosomes
B. Chloroplast
C. Cell Membrane
1. An organelle that turns the sun's light into energy for plants
2. An organelle that breaks down worn-out or damaged organelles, waste materials, and foreign invaders
3. An organelle that acts as a barrier between the inside of a cell and its environment
What are...
A - 2
B - 1
C - 3
...?
Found in both animal and plant cells, contains DNA
What are nuclei?
The activity of each part in an organism
What is function?
Plant cells have mitochondria
What is true?
Fill in the blanks:
_______ _______ stated the second part of the cell theory (The cell is the basic unit of all organisms)
Who was Theodor Schwann?
Name at least two of the three parts of the cell theory
What are...
1. All organisms are made up of one or more cells
2. The cell is the basic unit of all organisms
3. All cells come from existing cells
...?
A network of protein filaments that gives shape and support to cells
What is a cytoskeleton?
Fill in the blanks:
______ tissues move water and nutrients through plants
What is transport?
The way DNA is stored is one of the differences between eukaryotic cells and prokaryotic cells
What is true?
Fill in the blanks:
______ _______ stated the third part of the cell theory (All cells come from existing cells)
Who was Rudolf Virchow?