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22 Cards in this Set

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The process by which cells use energy to transport molecules through the cell membrane from areas of low concentration to areas of high concentration

Active transport

Anyone of several building blocks of protein

Amino acids

The basic unit of structure and function that makes up all organisms

Cell

The thin boundary between the cell and it's environment

Cell membrane

The process in which nutrients are broken apart, releasing the chemical energy stored in them

Cell respiration

The green organelle that contains chlorophyll; where photosynthesis takes place

Chloroplast

The jellylike substance that is between the cell membrane and the nucleus and that contains specialized structures

Cytoplasm

The movement of molecules from areas of high concentration to areas of low concentration

Diffusion

A chemical produced in the endocrine glands

Hormone

A type of molecule that does not contain both carbon and hydrogen but can contain any other combination of elements

Inorganic

All the chemical reactions that occur within the cells of an organism

Metabolism

A large structure within a cell that controls the cells metabolism and stores genetic information, including chromosomes and DNA

Nucleus

A body structure made of different kinds of tissues combined to preform a specific function

Organ

Several organs that work together to preform a major function in the body

Organ system

A structure within the cell that carries out a specific function

Organelle

Term used to describe molecules that contain both hydrogen and carbon

Organic

Certain protein molecules in the cell membrane that can receive chemical messages from other cells

Receptor molecule

One of the tiny structures in the cell that is the site of protein production

Ribosome

The result of the digestion of starches.

Simple sugars

A life process that involves combining simple substances into more complex substances

Synthesis

A group of specialized cells that perform a specific function

Tissue

Storage sacs within the cytoplasm of a cell that may contain either wastes or useful materials, such as water or food

Vacuole