A
smallest units of life
cell
Who first discovered the cell?
Robert Hooke
structures with specific jobs in a cell
organelle
Boundary between cell and the outside environment, and controls passage of materials in and out of the cell
cell membrane
rigid outer layer of a plant cell
cell wall
What are proteins made up of?
amino acids
"Powerhouse" of the cell
mitochondria
the brain of the cell
nucleus
Organelle that carries out photosynthesis
chloroplasts
Part of the DNA that determines what our personal traits will be
gene
Type of bond that is responsible for water's unique properties, including cohesion, adhesion, surface tension, and high specific heat.
hydrogen bond
model that describes the make up of the cell membrane
Fluid Mosaic Model
Contains RNA and proteins
ribosomes
What are the four major types of biomolecules?
carbohydrates, lipids, proteins, and nucleic acids
Membrane-Bound organelle that contains enzymes
Lysozomes
Term refering to ability to allow some, but not all, materials to pass through the membrane
Selective Permeability
What four elements make up 96% of the human body?
Oxygen, Carbon, Hydrogen, and Nitrogen
What are the three classes of carbohydrates and what is the difference between them?
Monosaccharides; Disaccharides; Polysaccharides
Molecule composed of charged phosphate group, glycerol, and two fatty acid chains
phospholipid
both DNA and RNA have these three components
sugar, phosphate group and nitrogenous base