Life (Ch. 1)
Descent with modification
What is evolution?
The attractive force between like molecules
What is cohesion?
The building blocks of proteins
What are amino acids?
A process that allows scientists to investigate questions about the natural world, such as how DNA replicates
What is the scientific method?
This enzyme is responsible for the breakdown of the main disaccharide found in dairy
What is lactase?
Maintaining a stable state
What is homeostasis?
The attractive force between dissimilar molecules
What is adhesion?
The building blocks of lipids
What are fatty acids?
Enzymes that breakdown DNA
What are DNases?
Molecules that allow an otter's fur to repel water
What are lipids?
A detectable change or difference in one's environment
What are stimuli?
A type of chemical bond where one atom effectively donates an electron to another atom
What is an ionic bond?
The building blocks of nucleic acids
What are nucleotides?
Two or more forms of the same element that differ in the number of neutrons
What are isotopes?
A compound which is important for homeostasis regarding pH level
What is a buffer?
This element provides the foundation for all life
What is carbon?
The attraction between two polar molecules, such as that observed in water. More form with decreasing temperature.
What are hydrogen bonds?
A type of fatty acid containing at least one double bond between two carbon atoms
What is an unsaturated fatty acid?
What is a lysogenic virus?
The dip in liquid level in a glass cylinder, from which me take measurements from the bottom of
What is a meniscus?
A process by which an individual organism can change over time
What is acclimation?
A logarithmic scale, used to determine the availability of hydrogen in a substance
What is the pH scale?
A type of biomolecule that carries instructions throughout a cell
What is RNA?
The way new DNA double helixes are created, consisting of one parent strand and one new strand
What is semi-conservative replication?
A term that describes the ability of a molecule to mix easily with water
What is hydrophilic?