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Cell Science

Celll organelles

QuestionAnswer
What is the smallest unit that can perform all the process necessary for life? A cell
Who was the first person to describe cells? Robert Hooke
Who discover single-celled organisms including bacteria? Anton van Leeuwenhoek
Who concluded that all plant parts were made of cells? Scientist Matthias Schleiden
Who concluded that all animials tissue were made of cells? Theodor Schwann
Who concluded that all cells came from existing cells? Rudolf Virchow
Why can a chicken egg grow so large? It does not have to take in nutrients
What limits most cells to a very small size? The surface area-to-volume ratio of the cell
How would you calculate the surface-to-volume ratio? Divide the total surface area of the cell by the cells volume
What are the three parts of the cell theory? 1. All organisms are made of one or more cells 2. The cell is the basic unit of all living things 3. All cells come from existing cells
What Kind of cells have cell walls? Plants and fungi
What is the protective layer that covers a cells surface? Cell membrane
What is the fluid inside a cell? Cytoplasm
What is the name of the structures that performs a specific function in the cells? Organelle
What is the genetic material that carries information needed to make new cells or new organisms? DNA
What organelle contains the DNA and has a role in growth, metabolism and reproduction? Nucleus
What parts do all cells have in common? Cell membrane, organelles, cytoplasm and DNA
What are the two basic kinds of cells? Cells with a nucleus and cells without a nucleus
What are prokaryotes? Prokaryotes are single celled organisms that do not have a nucleus or membrane-bound organelles
What are the most common prokaryotes (and the smalles cells)? The most common prokaryote are bacteria
What are ribosomes? Ribosomes are tiny round organelles made up of protien and other materials
What is the difference between eubacteria and archaebacteria? Archaebacteria ribosomes are different from eubacteria ribosomes
What are three types of archaebactera? Salt loving, heat loving and methane making
How do eukaryotes compare in size to prokaryotes? Eukaryotes are about 10 times larger
What does eukaryote have that a prokaryote does not? Cells with a nucleus
What word can be use to describe humans eukaryote
What does multicellular mean? Mullticellular means many cells
What is the function of a cell wall? It is the rigid structure that gives support to the cell
What are the cells walls of a plant and alage made of? Cellulose and other materials
What are the cell walls of a fungi made of? Chitin
What is a cell membrane? It is a protictive barrier that encloses a cell and allows what can go in and out of the cell.
What are three types of compounds contained in the cell membrane? Protiens, lipids and phospholipids
What two substances control the movement of materials into and out of the cell? Protiens and lipids
What is a web of protiens in the cytoplasm know as? Cytoskeleton
What are the two functions of the cytoskeleton? It keeps the cell membrane from collapsing and helps move some cells.
Created by: JenniferFuerte