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Animal Science 4.1 Vocabulary A

A dissolved substance.
A directional or positional term meaning away from the middle or toward the side.
The central portion of the cell protoplast surrounded by a very thin membrane consisting of nucleoplasm and variously arranged chromatin, nuclear sap, and nutritive substances.
Membrane-bound sac derived from the Golgi apparatus containing material to be released from the cell.
A selectively permeable, or limiting, membrane surrounding the protoplasm; Plasma membrane.
The gelatinous, colloidal material of plants and animals where all life activities occur.
The site of protein synthesis; A particle that lies along the endoplasmic reticulum and is composed of a protein portion and RNA.
A spherical body found in the nucleus of a eukaryotic cell.
A cavity within the cytoplasm filled with fluid, bound by a a membrane, and considered to be nonliving.
Structure extending throughout the cytoplasm of a cell functioning as a vehicle to transport cell products and as a surface for protein synthesis by the ribosomes.
A solution whose solute concentration equals that inside a cell.
A solution whose solute concentration is lower than that inside cell.
A thin, flexible sheet of vegetable or animal tissue; the thin protoplasmic tissue connecting, covering, or lining a structure.
A chemical process that takes place in living cells where food is burned to release energy and waste; and is vital for life processes.
Cellular tissue covering all the body surfaces, cutaneous, mucous, and serous, including the glands and others.
Groups of cells working together to carry out a common function, such as muscle, connective, or epithelial tissues.
An organelle bounded by a membrane that contains enzymes capable of breaking down proteins and other molecules.
Energy yielding oxidative reactions in living organisms that typically involves transfer of oxygen and production of CO2 and H2O in the end.
Protein filaments and microtubules in the cytoplasm that controls cell shape and helps with cell movement.
A unit of protoplasm in one cell.
The amount of a component in a given mass or volume.
A solution whose solute concentration is higher than that inside a cell.
The flow of water through a semi-permeable membrane separating two solutions, permitting solvent but not the dissolved substance to pass; water will flow from a weaker to a stronger solution in attempt to equalize concentrations.
A cell organelle important for glycosylation and secretion in cells.
Organisms that grow only in the presence of oxygen, like bacteria and properly prepared compost.
The state of concentration being equal throughout.
A small protoplasmic body sometimes held to be the dynamic center of mitotic activity.
The branch of biology that deals with the structure of organisms.