The science of biology
What are the goals of science?
To provide natural explanations for events in the natural world
To use those explanations to understand patterns in nature and make useful predictions about natural events.
What are the three subatomic particles of atoms?
Protons, neutrons, electrons
What is homeostasis?
Maintaining a stable internal environment
The attractions between molecules of different substances
Adhesion
Enzymes are proteins
Their shape allows them to do their job
Their shape is ___ to the substrate
Complementary
List the steps used in scientific methodology
Observing and asking questions
Making inferences
Forming hypotheses
Conducting controlled experiments
Collecting and analyzing data
Drawing conclusions
Sharing of electrons
Covalent bonds
What types of questions can be answered by science?
Anything about the natural world.
What does the pH scale measure
The concentration of hydrogen ions in a solution
The substance that gets dissolved
Solute
What is science?
And organized way of gathering and analyzing evidence about the natural world
It’s a way of observing, a way of thinking, and a way of knowing about the world.
Transferring of electrons
Ionic bond
Who reviews articles in Peer-reviewed journals?
Independent experts/scientists
What are monomer and polymers?
Monomers are small units that form together to make polymers
Polymers are large compounds formed from monomers linked together
The substance in which the solute dissolves
Solvent
How does skepticism help scientist generate new ideas?
Scientist question existing ideas and refuse to accept explanations without evidence.
Which elements make a water molecule?
A logical interpretation based on what scientists already know
Inference
Explain how chemical reactions affect chemical bonds
Atoms are re-arranged
Uneven distribution of electrons resulting in partial change
Polarity
List the characteristics of living things
Made up of cells, based on a universal genetic code, obtain and use materials and energy, grow and develop, reproduce, respond to their environment, maintain a stable internal environment and change over time.
List all four macromolecules and their functions
Carbs, proteins, lipids, nucleic acids
The variable that is deliberately changed
Independent variable
The elements that enter a chemical reactions
The elements that are produced by a chemical reactions
Reactants
Products
Well tested explanations that explains observations and hypotheses
Scientific theory