Biology: Key Themes, Cell Structure, Evolution & Scientific Methods
Broader than a hypothesis and supported by evidence
What is a theory
Subatomic particles with no charge
Mirror image particles important in pharmaceuticals.
What are enantiomers
This scale determines whether a substance is acidic or basic
What is the pH scale
What are the four main types of large biological molecules?
What are carbohydrates, lipids, proteins, and nucleic acids
Naming and classifying organisms.
What is taxonomy
Substances formed as a result of a chemical reaction.
What are products?
____ molecules that function in energy, ______, membranes, and hormones.
What is Hydrophobic and storage
A ______ is a liquid that is a completely homogeneous mixture of substances.
What is a solution
Four polysaccharides of lipids
What are glycogen, cellulose, chitin, and starch
DNA->RNA->Protein
What is gene expression
Attraction between ______ contently bonded to an _________ atom and another electronegative atom (O,N).
What is hydrogen and electronegative
What is the function of hydroxyl groups?
What is found in alcohols
_____ is the number of moles of solute per liter of solution.
What is molarity
A nitrogenous base, a pentose sugar, and one or more phosphate groups.
What are the components of a nucleotide
3 ______ are bacteria, ______, and eukarya.
What are domains and archaea
3D spaces where electrons are found.
What are orbitals
Contains Carbon and Hydrogen, often with Oxygen, Nitrogen, Sulfur, or Phosphorus.
What are organic compounds?
What is the definition of kinetic energy?
What is energy of motion
An unbranched polymer built from amino acids.
What is a polypeptide
How many identified species are there?
What is 1.8 million
What are isotopes that decay spontaneously?
What are radioactive isotopes?
A reaction that breaks down polymers by adding water
What is hydrolysis
What phenomenon describes the attraction between water molecules?
What is cohesion
The analysis of large sets of genes or whole genomes of different species.
What is genomics