Scientific Thinking & Experiments (Ch.1)
What is a hypothesis?
What is a tentative explanation for an observation?
What is an atom?
What is the smallest unit of matter that retains properties of an element?
What is pH?
What is a measure of acidity or basicity?
What are the four major macromolecules?
What are carbohydrates, lipids, proteins, and nucleic acids?
What are proteins made of?
What are amino acids?
What is the independent variable?
What is the variable that is manipulated?
What is an element?
What is a substance made of only one type of atom?
What does it mean if a solution is acidic?
What is having more H⁺ ions than OH⁻ ions?
What is a monomer?
What is a single building block molecule?
What is an enzyme?
What is a protein that speeds up chemical reactions?
What is a placebo?
What is a fake treatment with no active ingredient?
What determines whether atoms bond?
What is the number of electrons in the outer shell?
What makes water polar?
What is uneven sharing of electrons?
What is a polymer?
What is a long chain of monomers?
What is the active site?
What is the region where substrates bind?
What is a double-blind experiment?
What is when neither subjects nor researchers know who receives the treatment?
What is a covalent bond?
What is a bond where electrons are shared?
What is cohesion?
What is attraction between molecules of the same substance?
What is the main function of carbohydrates?
What is providing energy?
What is denaturation?
What is when a protein loses its shape and function?
What is a scientific theory?
What is a well-supported explanation backed by extensive evidence?
What is a hydrogen bond?
What is a weak bond between partial charges of polar molecules?
What is a buffer?
What is a substance that resists changes in pH?
What macromolecule stores genetic information?
What are nucleic acids?
What is the structure of DNA called?
What is a double helix?