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THE CELLS

Across
the semipermeable membrane surrounding the cytoplasm of a cell.
any of a number of organized or specialized structures within a living cell.
any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
different from plant cells because they don't have cell walls and chloroplasts
representing nucleus, nuclear, or nucleic acid.
less technical term for leukocyte.
the division of a cell into two daughter cells with the same genetic material.
another term for cytoplasm or protoplasm.
an organelle near the nucleus of a cell that contains the centrioles (in animal cells) and from which the spindle fibers develop in cell division.
a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.
Has a cell wall and chloroplasts
Down
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
relating to or effecting reproduction.
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria.
less technical term for erythrocyte.
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
the material or protoplasm within a living cell, excluding the nucleus
an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria.
a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter and that the organism is composed of autonomous cells with its properties being the sum of those of its cells.