Life & the Scientific Method
Life emerges at the level of...
the cell
What are ions?
Charged atoms.
Is water polar or non-polar?
Water is polar.
What are the 4 classes of biomolecules?
Proteins, lipids, carbohydrates, and nucleic acids.
What is the main requirement for a scientific hypothesis?
It must be testable.
What are the three subatomic particles?
Protons, neutrons, and electrons.
What are dipoles?
A pair of equal and oppositely charged poles separated by a distance.
What reaction makes up polymers?
The dehydration reaction.
Which variable has an effect on the dependent variable?
The independent variable.
What are the four elements that are most prevalent to life on Earth?
Oxygen, carbon, hydrogen, and nitrogen.
What do we call "water-loving" functional groups?
Hydrophilic.
What is Adenines complimentary base pair?
Thymine.
What are the 3 domains of life?
Domain Bacteria, Eukarya, and Archaea.
Do covalent bonds share or transfer electrions?
Covalent bonds share electrons.
Does adding an acid to a solution decrease or increase [H+]?
Increases [H+].
What are the backbone elements of amino acids?
N-C-C.