LIVING THINGS AND THEIR ENVIRONMENT Flashcards
(25 cards)
THE HISTORY OF CELL STARTED WITH THE INVENTIONOF MICROSCOPE IN THE ____
1600s
ALL LIVING THINGS ARE MADE UP OF _____
CELLS
NATURALIST AND CRAFTSMAN, MADE OVER 500 MICROSCOPES TRHOUGHOUT THIS LIFETIME. OBSERVED ANIMALCULES KNOWN TODAY AS PROTOZOA. “FATHER OF MICROBIOLOGY”
ANTONIE VAN LEEUWENHOEK
KNOWN AS PROTOZOA
ANIMALCULES
ENGLISH BOTANIST, EXAMINED THIN CLASSES OF CORK ( DEAD THREE BARK ), OBSERVED HONEYCOMB LIKE BOXES WHICH HE CALLED CELLS.
ROBERT HOOKE
FIRST IMPORTANT MICROSCOPY, THE STUDY OF MINUTE OBJECTS TROUGH MICROSCOPE. FIRST PUBLISHED IN 1665.
MICROGRAPHIA
HE WAS RESPONSIBLE FOR DISCOVERING THE NUCLEUS OF A CELL
ROBERT BROWN
A GERMAN BOTANIST WHO DEFINED THE CELL AS THE BASIC UNIT OF STRUCTURE. HE PROPO SED THAT ALL PLANTS ARE MADE UP OF CELL
MATTHIAS SCHLEIDEN
PROPOSED THAT ALL ANIMALS ARE MADE UP OF CELLS
THEODOR SCHWANN
CONCLUDE THAT CELLS SELF REPRODUCE
RUDOLF VIRCHOW
THE DISCOVERIES OF SCHLEIDEN, SCHWANN ANG VIRCHOW ARE SUMMARIZED INTO A GUIDING PRINCIPLE NOW CALLED THE ____
CELL THEORY
IMPORTANT INSTRUMENT IN STUDYING THE PARTS OF A CELL, IT IS ALSO THE POPULAR TOOL IN BIOLOGY, AND USED TO EXAMINE OBJECTS, TISSUES, AND CELLS THAT ARE TOO SMALL TO BE SEEN WITH THE NAKED EYE.
MICROSCOPE
USES LIGHT AND LENSES TO MAGNIFY OBJECTS UP TO ABOUT 1500 TIMES LARGER THAN ITS ORIGINAL SIZE.
LIGHT COMPOUND MICROSCOPE
A LIGHT MICROSCOPE USING ONE MORE THAN ONE LENS TO LARGE THE OBJECT IS CALLED A ___
COMPOUND MICROSCOPE
ALSO KNOWN AS DISSECTING MICROSCOPE. IT IS USED TO LOOK AT THE EXTERNAL STRUCTURES OF SPECIMEN, SUCH AN INSECT.
STEREOMICROSCOPE
USED TO EXAMINE HIGHLY TRANSPARENT SPECIMEN SUCH AS UNSTAINED CELLS.
PHASE CONTRAST MICROSCOPE
USES BEAMS OF ELECTRONS TO ENLARGE SPECIMEN UP TO 250000 TIMES THEIR ORIGINAL SIZE
ELECTRON MICROSCOPE
USED TO STUDY THE INTERNAL STRUCTURES OF CELLS THROUGH SECTIONED SPECIMEN.
TWO TYPES OF ELECTRON MICROSCOPE
A. TRANSMISSION EM
USED TO EXAMINE THE SURFACES OR SHAPES OF SPECIMEN SUCH AS VIRUSES.
B. SCANNING EM
ILLUMINATES OBJECTS STAINED WITH FLUOROSCENT DYES, USED TO STUDY ANG LOCATE CERTAIN ORGANELLES OR SUBSTANCES INSIDE THE CELL.
LIGHT FLUORESCENT MICROSCOPE
USED TO EXAMINE THE THREE DIMESIONAL STRUCTURE OF A CELL OR ORGANELLE WITHOUT CUTTING THE SPECIMENS INTO SECTIONS.
CONFOCAL SCANNING MICROSCOPE
PHOTOGRAPH OR DIGITAL IMAGE TAKEN THROUGH MICROSCOPE OR SIMILAR DEVICE TO SHOW A MAGNIFIED IMAGE OF AN OBJECT.
DIFFERENT TECHNIQUES:
MICROGRAPH
USED FREQUENTLY TO IMAGE SMALL STRUCUTURES THAT MOVE RAPIDLY WITHIN CELLS AS WELL AS MOVEMENT OF WHOLE CELLS.
VIDEO MICROSCOPY
USES OPTICAL TECHNIQUE TO PRODUCE IMPRESSIVE THREE DIMESIONAL IMAGES OF LIVE UNSTAINED SPECIMENS.
DIFFERENTIAL INTERFERENCE CONTRAST MICROSCOPY