Cytology Flashcards
Cytology is?
Scientific study of cells
Cytology functions to?
• Identify different types of cells.
• Understand organization and structure
• Visualize cell both as an entity in unicellular & acellular organisms
———– is an integral part of organs,and system in multicellular organisms
Cells
Bacterial cells are typically ———–in length
1-5um
Eukaryotic cells are usually ———- in length
10-30um
———– microscope revealed array of microscopic life forms to humanity
Compound(double lens)/Light Microscope
Discovery of cells was credited to ———–
Robert Hooke
What year was the word ‘Cell’ introduced ?
1665
Plant being made of cells was discovered by?
Mathias Schleiden
Who proposed cell theory?
Theodore Schwann
———– reported the cellular basis of animal life ,concluded cells of plants and animals had similar structures
Theodore Schwann 1839
The tenets of the cell theory includes?
• All organisms composed of one or more cells
• Cell is the structural unit of life
———— contributed a third tenet of the cell Theory
1855 Rudolf Virchow
The third tenet of the cell theory states
Cells can only arise from division of pre-existing cells
The three foundation stones of modern biology are the?
• Theory of Gene
• Theory of evolution
• Cell Theory
The Three essential ideas Generated by the cell theory are?
•The activities of organisms dependent on the activities of cells.
•The continuity of life has a Cellular basis
Genetic continuity includes ———– and other smaller components like ————
• Cells
• Genes and Chromosomes
What is the Principle of Complementarity?
The relationship betweenStructure and Function
Biochemical activities of cells are organized in a —–.way
Definite
——– is the most basic property of cells
Life
Studies in cytology utilize growth in ——–
Vitro
Subcellular parts of cells are referring to as———;
Organelles
Cellular processes that are remarkably similar in all living organisms include?
•Protein synthesis
•Chemical energy conservation
•Membrane construction
Each cell organelle has a consistent composition of ———— in a predictable pattern.
Macromolecules
Information encoded in ——— determine how organisms are built.
Genes
Vast amount of information is then Packaged into ———–
A Set Chromosomes
———- are storage lockers for information and also Blueprints for constructing cellular structures?
Genes
Genes constitutes ——- functions
• Direction for running cellular activities
• Programme for making more genes
What is ** Mutations**?
The changes that occur in the molecular structure of Genes leading to Variation among individuals
———- forms the basics for biological evolution?
Mutation
Cells reproduce by ———
Division
