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Biology U3B

Across
The small, dark structures within the nucleus of a cell. They are thought to make r-RNA to construct the ribosomes
Fluid filled sacs within the cytoplasm of a cell which are bound by a membrane
The process involving the division of the nucleus in a reproductive cell
A molecule or part of a molecule that does not have a charge or partial charge
Structures within the cell cytoplasm responsible for the production of energy and its storage in the chemical called ATP
A molecule having a polar and nonpolar end which makes up the plasma membrane together with protein
Living organisms too small to see without the aid of a microscope
A molecule having slightly negative and positive ends with regard to charge
The fibers which direct the even distribution of chromosomes to each daughter cell during nuclear division
The process involving the division of the nucleus of a body cell
A group of cells working together to perform a particular task
Down
A functional living thing, unicellular or multicellular containing interrelated parts
Substances produced by the Golgi bodies which are usually released to the outside of the cell
A long chain molecule made up of amino acids. This type of substance makes up most of the structure of the cell
The limiting of the function of a cell to a specific function
A process in green plants which involves the use of carbon dioxide and water in the production of glucose and oxygen using the sun's energy
Tiny sacs in the cell which may either contain starch or oils as stored food, or some sort of plant pigment
Having one body tube with a corresponding eyepiece
A small structure within the cell which serves specialized functions
The diffusion of water across a semipermeable membrane
A group of organs working together for a common purpose
Addition of a specific stain to a specimen to enhance the visibility of a specific structure before viewing it under a microscope
The internal spherical structure in a cell which serves as the central control
A group of tissues working together as a unit for a particular purpose in the body