Three Main Components of Cell Theory Flashcards
(20 cards)
What is the first component of the cell theory?
All living organisms are composed of one or more cells.
True or False: Cells are the basic unit of life.
True
What does the second component of the cell theory state?
The cell is the basic unit of structure and organization in organisms.
Fill in the blank: The third component of the cell theory states that all cells arise from _______.
pre-existing cells.
Which component of the cell theory emphasizes that cells are the basic unit of life?
The second component.
What does the cell theory imply about multicellular organisms?
They are made up of many cells.
Multiple Choice: Which of the following is NOT a component of the cell theory? A) Cells are the basic unit of life B) All cells arise from pre-existing cells C) Cells can spontaneously generate D) All living organisms are made of cells
C) Cells can spontaneously generate.
Short Answer: Who were the scientists that contributed to the formulation of the cell theory?
Matthias Schleiden, Theodor Schwann, and Rudolf Virchow.
True or False: The cell theory applies to both prokaryotic and eukaryotic organisms.
True
What does the phrase ‘all cells arise from pre-existing cells’ suggest about cell reproduction?
It suggests that cells divide to produce new cells.
Fill in the blank: The cell theory was developed in the _______ century.
19th
What is the significance of the cell theory in biology?
It provides a framework for understanding the structure and function of all living organisms.
Multiple Choice: Which statement is part of the cell theory? A) Cells can be created from non-cellular matter B) Cells are the building blocks of life C) Cells have no role in heredity D) All cells are identical
B) Cells are the building blocks of life.
True or False: The cell theory concludes that all cells are identical.
False
What role does cell division play in the third component of the cell theory?
It explains how new cells are formed from existing cells.
Short Answer: How does the cell theory relate to the concept of evolution?
It supports the idea that all living organisms share a common cellular ancestry.
Fill in the blank: The cell theory is fundamental to the field of _______.
biology
What are the implications of the cell theory for understanding disease?
It implies that diseases can arise from cellular dysfunction.
Multiple Choice: Which scientist is known for stating that all cells come from pre-existing cells? A) Schleiden B) Schwann C) Virchow D) Watson
C) Virchow.
True or False: The cell theory has been modified significantly since its original formulation.
False
