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Structure and Function of Life
Terms in this set (31)
A collection of tissues that carry out a specialized function of the body
group of organs that work together to perform a specific function
An individual living thing
A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant.
A group of similar cells that perform a specific function.
the arrangement of parts in an organism or an object
the special, normal, or proper activity of an organ or part
A tiny cell structure that carries out a specific function within the cell
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
diffusion of water across a selectively permeable membrane
Movement of molecules from an area of higher concentration to an area of lower concentration.
the movement of materials through a cell membrane using energy
idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body
Process by which cells release energy in the absence of oxygen
A three dimensional polymer made of monomers of amino acids.
ATP (adenosine triphosphate)
main energy source that cells use for most of their work
Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
A type of protein that speeds up a chemical reaction in a living thing
Green pigment in plants that absorbs light energy used to carry out photosynthesis
A cell structure that controls which substances can enter or leave the cell.
A part of the cell containing DNA and RNA and responsible for growth and reproduction
A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
A liquid substance capable of dissolving other substances
A substance that is dissolved in a solution.
An attraction between molecules of different substances
Attraction between molecules of the same substance
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8.1 Matter Vocabulary
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