Studied by 132 PeopleRobert Brown
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Robert Brown
Discovered Nucleus
Robert Hooke
Cell discovery in a thin slice of cork; father of Cytology
Theodore Schwann
All animals are composed of cells
Walther Flemming
Steps involved in cell division
Jan Evangelista Purkinje
Thick, jelly-like protoplasm
Antonie van Leeuwenhoek
First single-lens microscope; Father of microbiology/microscope; discovered animalcules
Matthias Schleiden
All plants are composed of cells
Hermann Fol
Union of egg and sperm cells
Ernst Ruska
First electron microscope
Rudolf Virchow
All living cells come from pre-existing living cells
Louis Pasteur
Microorganisms can cause contagious diseases
Felix Dujardin
Internal, jelly-like substance "sarcode"
Microscope
Biologist use this as their chief investigation tool
Cells
Are the building blocks of life
Organelles
Cell structures that perform these specific functions. Are like machines in a factory, each with a specific role.
•cytoplasm •nucleus •cell membrane
Fundamental parts of cell
Cytoplasm
Where the main metabolic life activities takes place
Cell membrane
Surrounds the cytoplasm
Nucleus
Where the genetic material stored
Ribosomes
Protein synthesis
Rough ER
Synthesis of membrane lipids and proteins, secretory proteins, and hydrolytic enzymes; formation of transport vesicles
Smooth ER
Lipid synthesis; detoxification in liver cells
Lysosomes
Digestion of ingested food, bacteria, and a cell's damaged organelles and macromolecules for recycling; suicide bag
Vacuoles
Digestion; storage of chemicals; cell enlargement; water balance
Peroxisomes
Diverse metabolic processes, with breakdown of H²O² by-product
Mitochondria
conversion of chemical energy of food to chemical energy of ATP; powerhouse of cell
Chloroplast
Conversation of light energy to chemical energy of sugars
Centrioles
Helpers in cell division
Cytoskeleton
Structural support; movement; road for transportation; framework of cell
Cytoplasm
Jelly-like substance that holds the cell organelles in place; site of many chemical reactions
Cell membrane
Separates cell from outside; controls what enters and leaves the cell; recognizes signals from other cells
Cell wall
Nonliving permeable wall that surrounds the cell membrane; encloses and supports the cell
Prokaryotic cells
Contains nuclear materials not enclosed by a nuclear membrane; doesn't have a true nucleus
Eukaryotic cells
Contain nuclear materials enclosed by a nuclear membrane; true nucleus
Nucleus
DNA synthesis, RNA synthesis; assembly of ribosomes
Tissues
group of cells, have the same functions as cell; are specialized, and their structure enables them to perform a specific task
Organs
tissues group together
Organ system
group of organs as one
Organisms
group of organ system
White blood cells
Most number of lysosomes
Muscular tissues
have cells with the most mitochondria
Nervous tissue
type of tissue would make up the majority of the brain and spinal cord
Epithelial tissue
type of tissue that would be found in the epidermis; Structure through which the tissue is found
Connective tissue
type of tissue would form ligaments, tendons, fat and bone
Simple Squamous Epithelial Tissue
type of tissue would be found in the blood vessels and respiratory tract; air sacs of the lung, blood vessels, heart
Epithelial Tissue
also called the epithelium, occur as sheets of tightly packed cells that cover body surfaces and line internal organs and cavities.
Basal Lamina
The apical (basal) surface of an epithelium is attached to the _
Connective Tissue
helps protect, support, and bind organs and other tissues.
Muscular Tissues
helps cause movement and change in the shape of some body parts