1
Describe the definition of Compound.
Compound = a substance consisting of two or more different elements combined in a fixed ratio.
Describe the definition of matter.
Organisms are composed of matter, which is defined as anything that takes up space and has mass.
( Everything)
A compound that produces hydroxide ions in solution is a(n) ____________
Base
Describe the definition of Isotope.
Isotopes = Atoms of the same element that differ in the number of neutrons they contain.
Describe the definition of Mixture.
Mixture = is a material composed of two or more elements or compounds that are physically mixed together but not chemically combined.
Monomers of Cabohydrates are ___________
Monosaccharades( Glucose)
Draw the structure of the monomer of proteins and label the names of each group.
Amino group
Carboxyl group
R group
H atom
Monomers of Proteins are ___________
Amino acids
Monomers of Nucleic acids are ___________
Nucleotide
Draw the structure of the monomer of proteins and label the names of each group.
Phosphate group
5-carbon sugar
Nitrogenous base
What elements are contained in the protein structure
Proteins are macromolecules that contain nitrogen as well as carbon, hydrogen, and oxygen.
Atomic number =______________________
Mass number = _______________________
Atomic number =The number of protons
Mass number =The total number of protons and neutrons
What elements are contained in the Nucleic acids structure
Nucleic acids are macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.
Describe three subatomic particles inside atoms.
Proton
Electron
Neutron
What elements are contained in the Lipids structure
Lipids are made up of carbon, oxygen and hydrogen atoms.
Describe the difference between solutions and suspentions.
Suspensions = mixtures of water and nondissolved material.
Solutions = mixtures of water and dissolved material.
List some of the properties of water that make it such a unique substance.
Cohesion
Adhesion
Heat capacity
Describe the difference between ionic bonds and covalent bonds.
Ionic bond = An ionic bond is formed when one or more electrons are transferred from one atom to another.
Covalent bonds = is the sharing of electrons by two atoms.
Describe the difference between reactants and products.
Reactants = The elements or compounds that enter into a chemical reaction.
Products = The elements or compounds produced by a chemical reaction.
Describe some factors that may influence enzyme activity.
PH values
Temperature
Concentration of substances
Regulatory molecules
The functions of Lipids.
Store energy
Important parts of biological membrances and waterproof coverings
The functions of Carbohydrates.
Main source of energy(living things)
Structure( Plants and some animals)
The functions of Proteins.
Control the rate of reactions and regulate cell processes
Form bones and muscles
Transport substances into or out of cells or help to fight disease
The functions of Enzymes.
Enzymes are proteins that act as biological catalysts.
Lowering a reaction's activation energy
The functions of Nucleic acids.
Store and transmit hereditary, or genetic, information