Vocabulary
This variable is plotted on the Y axis
What is the dependent variable?
This is a process of observing, forming hypotheses, carrying out experiments, collecting data, and coming to conclusions based on this data
What is the scientific method?
The independent variable is plotted on this axis
What is 'the x axis?'
What is are lipids?
What is are carboyhydrates?
This term refers to the group of organisms that receive the 'treatment' (X variable) in an experiment
What is the experimental group?
These molecule are made of C, H, and O and contain at least one double bond between carbon atoms
What are unsaturated fats?
_______________ seeks to explain the occurrence of natural phenomena on earth
What is 'science?'
What are philosophy, history, literature, poetry, theology, spirituality, astrology, etc?
What is 'every one-unit change on the pH scale represents a 10x change in acidity?'
Explain the acronym 'DRYMIX'
What is 'dependent/response/y variable and manipulated/independent/x variable?'
What is the control group?
This is what falsifiability means AND why it is critical for all scientific questions
What is 'it means that a question can be proven false if it is, in fact, not true; this is important because all questions asked using the scientific method must provide a way to be proven false if that is the case?'
A scientist wants to study the relationship between rainfall and the number of flood reports in upstate SC - identify the dependent and independent variables
What is 'dependent: number of flood reports, independent: amount of rainfall?'
In your own words, explain why scientists like to turn data into graphs, scatterplots, charts, etc
What is 'because it is much easier for the human eye and brain to find patterns and important trends when data is turned into a visual?'
Briefly define what we mean when we say 'natural' in the context of the scientific method
What is 'natural refers to any portion of the world that is part of tangible, objective reality. There is no room for opinion, bias, or personal agenda in the natural areas of study - only objective truth?'
List four criteria that every scientific question must meet
What are 1) predictable, 2) observable, 3) measurable, 4) falsifiable?
What is 'because the larger the sample size, the more confidence we can have in our results?'
Define cohesion and adhesion
What is 1) cohesion: the tendency of a molecule to stick to other identical molecules (water-water); 2) adhesion: the tendency of a molecule to stick to other different molecules (water-salt)
Give three examples of protein polymers
What are polypeptides, keratin, biotin, actin, myosin, collagen, enzymes?
Define a monomer and a polymer
What is 'a monomer is a single-unit substance and the smallest version of a biomolecule; a polymer is a multi-unit substance of a biomolecule and forms when two or more monomers bond together?'
These are the monomer form of each macromolecule
What are 1) proteins - amino acids, 2) lipids - individual fatty acids, 3) carbohydrates - monosaccharides, 4) nucleic acids - nucleotides?
Briefly explain why scientists must continue to revisit questions that have already been asked
What is 'because the world changes - technology, diseases, society, and our planet are all constantly changing; therefore, the answer to the question 25 years ago may not still be the answer today?'
These are the four major jobs of proteins as discussed in class
What are 1) speed up chemical reactions (enzymes), 2) transport molecules within and between cells, 3) provide shape and structure, and 4) slowest-burning source of energy?
The pH of a solution is calculated by taking the log value of this
What is 'the concentration of H+ ions?'