To examine carefully and in detail so as to identify causes, key factors, possible results, etc.

In an experiment, a group or individual that serves as a standard of comparison with another group or individual to which it is identical except for one factor.

A group nearly identical to the control group that is manipulated and observed, being related back to the control group.

Any complicated organized body or system analogous to a living being, especially one composed of mutually interdependent parts functioning together. 2. Any individual life form considered as an entity; an animal, plant, fungus, protistan, or moneran.

Organisms that must take in food to meet their energy needs.

The process by which DNA copies itself during interphase.

Being or capable of being measured by quantity.

The theory that all living things are made up of cells, that cells are the basic units of organisms, and that cells come only from existing cells.

In an atom, the core of protons and neutrons; in a eukaryotic cell the organelle that contains most of the DNA and directs most of the cell’s activities.

The liquid component of blood.

A thin, pliable sheet or layer of animal tissue that allows blood to flow.

The oxygen-carrying pigment in red blood cells.

1. A simple sugar, that is a product of photosynthesis and is the principle source of energy for all living organisms: concentrated in fruits and honey and or readily obtainable from starch, other carbohydrates, or glycogen 2. Syrup containing dextrose, maltose, and dextrine, obtained by the incomplete hydrolysis of starch.

A hormone that raises the blood glucose level.

The conversion of light energy into chemical energy stored in organic compounds.

The organelle that is the site of aerobic respiration in eukaryotic cells.

An organelle that functions in the synthesis of proteins.

A fluid-filled organelle that stores enzymes or metabolic wastes in a plant cell.

A catalyst, usually a protein in living systems.

a nucleotide that functions in the transfer of energy during the catabolism of glucose formed by the removal of a phosphate from adenosine triphosphate and composed of adenine, ribose, and two phosphate groups.

The movement of substances across a cell membrane without the use of cell energy.

1. a. The rate at which a pressurized gas or liquid passes through a porous medium. B. The ability of a medium to permit such flow. 2. A measure of the ability of a material to alter the magnetic field in the area that it occupies 3. The capability of a porous rock or sediment to permit the flow of fluids through its pore spaces.

The process by which molecules move from an area of greater concentration to an area of lesser concentration.

A state that exists when the concentration of a substance is the same throughout a space.

Of or pertaining to any pole, as of a sphere, a magnet, or an electric cell 2. Capable of ionizing; electrolytic.

The union of male and female genetic nuclei.

The production of offspring that does not involve the union of gametes.