Cells Flashcards
Microscope
An instrument for viewing small objects
Cells
The smallest unit of life. Cells are the building blocks of living things
Light microscopes
Instrument for viewing very small objects. A light microscope can magnify things up to 1500 times.
Electron microscopes
Instrument for viewing very small objects. An electron microscope is much more powerful than a light microscope and it can magnify up to a million times.
Monocular
Describes a microscope through which the specimen is seen using one eye only
Binocular
A microscope with two eyepieces, so you use both eyes to look at the object
Stereo
Describes a microscope through which the specimen is viewed using both eyes
Magnification
The number of times the image of an object has been enlarged using a lens or lens system
Cell membrane
Structure that encloses the contents of a cell and allows the movement of some materials in and out
Ribosomes
Small structures within a cell in which proteins such as enzymes are made
Cytosol
The fluid found inside cells
Cytoplasm
A material inside a cell, It contains many organelles such as the nucleus and vacuoles.
Chloroplasts
They are the ‘factories’ in which carbon dioxide and water are changed by sunlight and water into food by the process of photosynthesis.
Mitochondria
They supply energy to other parts of the cell
Nucleus
Roundish structure inside a cell that acts as the control center for the cell.
Chromosomes
Tiny, thread-like structure inside the nucleus of a cell.
Deoxyribonucleic acid
The chemical substance found in all living things that encodes the genetic information of an organism