Lecture 2 (the process of science)
data, measurements, and observations about the natural world. CAN be proven
What is a fact?
New properties emerge at each hierarchical level
What is Emergent Properties?
Isotopes used in medical imaging and researching
What are Radioactive Isotopes?
The strongest type of bond
What are covalent bonds?
2 domains similar in packaging/organizing DNA and gene expression
What is Archaea and Eukarya?
Potential explanation for a phenomenon, explains facts and can be tested by experiments. "because" statement
What is a hypothesis?
The functional and structural units of life?
What are cells?
An atom with a different number of neutrons than protons.
What is an isotope?
The weakest type of bond
What are Van der Waal forces?
The nitrogenous base that pairs with Adenine in DNA
What is Thymine?
A way to test a hypothesis, "if/then" statement
What is a prediction?
Natural selection is a mechanism of
What is Evolution?
Part of an atom that is negatively charged
What is an electron?
Bond that forms when one atom loses an electron and one atom gains an electron
What is an ionic bond?
A phosphate, sugar, and nitrogenous base together make..
What is a nucleotide?
makes specific statements from a general statement. Experimental science relies on this.
What is Deductive logic?
Bacteria and Archaea are single celled species without nuclei in a group called..
What are prokaryotes?
Living things are mostly made out of these 4 atoms
Carbon, Hydrogen, Oxygen, Nitrogen
What is Electronegativity?
2 domains that share metabolic characteristics
What is Eukarya and Bacteria?
Makes general statements from many specific observations. Descriptive science relies on this
What is Inductive logic?
Protists, plants, animals, and fungi are in the group called
The experiment performed in 1909 that allowed us to get the most accurate idea of what atoms are
What is the Gold Foil Experiment?
Molecules that do not dissolve easily in water
What are non-polar molecules?
Molecule with a double helix structure