Chemistry of Life
Particles in an atom with a positive charge; located in the nucleus
What are protons
A compound lacking in carbon atoms
The smallest unit of life
What is a cell
Controls cell activities
Nucleus
Makes energy for the cell
What is the mitochondria
Particles with no charge, located in the nucleus
What are neutrons
Fats and oils used for long term energy, steroid hormones, waxes
What are lipids
Type of cell with a nucleus; can be unicellular or multicellular
What is a eukaryotic cell
Controls what enters and leaves the cell and also protects the cell
What is the cell membrane
Stores food, water, and waste
What is a vacuole
A bond between two polar covalent molecules, like the ones that join H and O in water
What is a hydrogen bond
Sugars used for short term energy; polysaccharides used for energy storage or structure
What are carbohydrates
Cell containing no nucleus; examples are bacteria and archaea
What are prokaryotic cells
Processes and stores protein
What is the Golgi Body
Traps sunlight to make food for the plant
What is a chloroplast
Atoms connected by covalent bonds are called
What are Molecules
Made of amino acids; used for construction material and chemical reactions in the body
What are proteins
Specialized compartments in cells that carry out a specific function
What are organelles
Fills the empty space of the cell
What is the cytoplasm
Has enzymes that digest waste and old organelles
What is a lysosome
A combination of 2 or more types of atoms
What is a compound
DNA and RNA; contain genetic information
What are nucleic acids
Part of the plant cell that provides structure and protects the cell
What is a cell wall
Help in cell division and is found only in animal, not plant, cells
What are centrioles
Tunnels for compounds to move through the cell
What is the endoplasmic reticulum (ER)