Cell Theory Flashcards
What is the basic unit of structure, organization, and function in organisms
The cell.
Who is credited with the discovery of cells?
Robert Hooke.
True or False: All living organisms are made up of one or more cells.
True.
Fill in the blank: The _______ theory states that all living things are composed of cells.
cell.
What did Anton van Leeuwenhoek contribute to cell theory?
He discovered single-celled organisms using a microscope.
Who proposed that all plants are made of cells?
Matthias Schleiden.
Who stated that all animals are made of cells?
Theodor Schwann.
Multiple Choice: Which scientist is known for the idea that all cells arise from pre-existing cells? A) Robert Hooke B) Rudolf Virchow C) Anton van Leeuwenhoek
B) Rudolf Virchow.
Fill in the blank: Cells can be classified into two main types: _______ and eukaryotic.
prokaryotic.
What role did Rudolf Virchow play in the development of cell theory?
He proposed that all cells come from other cells.
What is the function of the cell membrane?
It protects the cell and controls what enters and leaves.
Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are made of cells B) Cells are the smallest unit of life C) All cells have a nucleus
C) All cells have a nucleus.
Who was the first to observe living cells?
Anton van Leeuwenhoek.
What is one difference between plant and animal cells?
Plant cells have a cell wall; animal cells do not.
True or False: The nucleus is known as the control center of the cell.
True.
Fill in the blank: The _______ is responsible for producing energy in the cell.
mitochondria.
What is the primary purpose of ribosomes?
To synthesize proteins.
What do we call the outer layer of a plant cell?
Cell wall.
True or False: All cells have DNA.
True.
What is the function of chloroplasts?
To carry out photosynthesis in plant cells.
