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Transcript
The Chemical Basis for Life Vocabulary Worksheet Student Name: ________________________________________ Date: ___________ Score: ______ Match the term on the left with its definition on the right: __ Amino Acids A. This holds an organisms hereditary information. __ Carbohydrate B. This is a macromolecule that holds cell information in a coded form. Made of sugar, phosphate and nitrogen-containing bases. __ DNA C. This is a compound made up of carbon, hydrogen, and oxygen atoms; it is used by cells to store and release energy. Sugars are made by chloroplasts through photosynthesis and consumed by mitochondria through cell respiration. __ Lipid D. A macromolecule that contains carbon, hydrogen, oxygen, and nitrogen, which is used by the body for growth and repair. __ Macromolecule E. This is a molecule that contains both amino and carboxylic acid functional groups. They are the building blocks of protein. __ Nitrogenous Base F. A single stranded nucleic acid that plays a role in protein synthesis. __ Nucleic Acid G. A macromolecule made up of mainly carbon and hydrogen atoms that is primarily used for energy storage and in cell membranes. __ Polymer H. This is a molecule with a large molecular mass. Many examples come from biology and in particular biochemistry. __ Protein I. This is a large, covalently-bonded molecule that has a repeated structural unit. __ RNA J. This is the only part of a DNA/RNA nucleotide that changes. It is found along with the 5-carbon sugar and the phosphate group. USATestprep, Inc. 2012, All Rights Reserved Cells and Cellular Organization Vocabulary Worksheet Match the term on the left with its definition on the right: __ Cell Membrane A. This is a homogeneous, generally clear jelly-like material that fills cells and serves as the broth of the cellular soup. __ Cell Wall B. These are singular, relatively long, whip-like organelles that many unicellular organisms use for motion. __ Centrioles C. This organelle synthesizes proteins. __ Chloroplast D. This is any functional structure within the confines of a cell; literally a. "small organ;" it usually has a membrane-based structure __ Cilia E. The structure that houses the cells genetic information. __ Cytoplasm F. These are organelles that digest macromolecules. __ Cytoskeleton G. These are short hair-like organelles on the surface of a eukaryotic cell used for locomotion or sensory functions. __ Flagella H. An organelle found in most eukaryotic cells described as "cellular power plants", because their primary function is to convert organic materials into energy in the form of ATP __ Golgi Body I. A thin, flexible, semipermeable barrier around the cell which regulates what enters and leaves the cell. __ Lysosome J. This is a plastid with chlorophyll in plants that photosynthesize. __ Mitochondrion K. This structure provides support and protection for plant cells. __ Nucleus L. This is a scaffolding of protein fibers that help a cell keep its shape, and assist cell division and cell movement. __ Organelle M. This is a tiny fluid-filled cavity in the cytoplasm. It can be used for storage of biochemicals. __ Pseudopodia N. This is a shape-changing cell structure used by amoebas to move and to engulf food. __ Ribosome O. These are barrel shaped microtubules in most animal cells, that organize the spindles during cell division. __ Vacuole P. This organelle serves to process and package lipids and proteins in the cell. © USATestprep, Inc. 2012, All Rights Reserved