Term
What is the definition of a scientific theory? |
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Definition
| A general set of principles, supported by evidence, that explains some aspect of nature. |
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Term
| What are the steps in the scientific method? |
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Definition
| Observation-Question-Hypothesis-Experiment/Test-Conclusion/Theory |
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Term
Can scientific oberservations be made by
humans and instrumentation? |
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Definition
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Term
Who is the scientist that finally proved the theory of spontaneous generation was untrue? |
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Definition
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Term
Know the levels of organization going from atom to biosphere.
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Definition
| Atom-Molecule-Organelle-Cell-Tissue-Organ-Organ System-Organism-Population-Community-Ecosystem-Biosphere |
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Term
What would a student in a classroom be
considered (in the levels of organization)? |
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Definition
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Term
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Definition
| The ability to maintain a relatively stable internal environment. |
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Term
Know the parts of an atom (charge, mass,
location) |
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Definition
| Electron - Orbiting the Nucleus, Proton + Forms the Nucleus, Neutron Neutral Forms the Nucleus. |
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Term
What is the subatomic particle that plays the
greatest role in cellular chemical reactions? |
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Definition
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Term
What are the subatomic particles with the most
mass? |
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Definition
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Term
| What is the atomic number of an atom? |
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Definition
| The Number of Protons in an Atom |
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Term
When does an atom want to react with another
atom? |
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Definition
| When it has less than its valence number of electrons. (8 or 2) |
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Term
| What makes an atom chemically inert? |
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Definition
| When it has its valence number of electrons |
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Term
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Definition
| An atom that has a positive or negative charge |
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Term
In a bottle of water, hydrogen bonding occurs between the hydrogen of one atom and …? |
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Definition
| The oxygen of another atom |
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Term
| What makes a molecue polar versus nonpolar? |
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Definition
A molecule is polar when one of the atoms in the molecule has more electronegativity than the other atoms
A molecule is non-polar when it has equal electronegativity throughout the entire molecule |
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Term
What is a hydrophobic molecule?
What is a hydrophilic molecule? |
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Definition
A hydrophobic molecule avoids water
A hydrophilic molecule is attracted to water |
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Term
| Is water polar or nonpolar? Is methane polar or nonpolar? Which is more likely to bond to another ion? |
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Definition
Water is polar
Methane is non-polar
Water is more likely to bond with ions |
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Term
| What is the definition of an acid? |
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Definition
| An acid yields hydrogen ions when put in an aqueous solution |
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Term
| What is the definition of an organic molecule? |
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Definition
| A molecule of the kind normally found in living systems. Organic molecules are usually composed of carbon atoms in rings or long chains, to which are attached other atoms of such elements as hydrogen, oxygen, and nitrogen |
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Term
What are the four types of organic molecules
that we learned about in chapter 3? |
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Definition
| Carbohydrates, Proteins, Lipids, Nucleic Acids |
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Term
What are the monomers for carbohydrates,
lipids, proteins, and nucleic acids? |
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Definition
Monosaccharide-Carbohydrates/Lipids
Amino Acids-Proteins
Nucleotides-Nucleic Acids |
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Term
What are the polymers for each of the
monomers listed? (Carboxyl, Hydroxyl, Amino,
Phosphate) |
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Definition
Carboxyl-Fatty Acids/Amino Acids
Hydroxyl-Alcohols, Carbohydrates
Amino-Amino Acids
Phosphate-DNA,ATP |
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Term
What 3 elements are present in carbohydrates and lipids? What make a carbohydrate different than a lipid? |
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Definition
Carbon,Oxygen,Hydrogen
A Cabohydrate can readily dissolve in water whereas a Lipid cannot |
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Term
| What elements are in a protein? |
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Definition
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Term
How could you make a saturated fat (which is
solid at room temp) into a softer fat which is not
solid at room temp? |
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Definition
| By creating a double-bond in the carbon chain |
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Term
| What do wax and testosterone have in common? |
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Definition
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Term
What is a phospholipid? Where is it found? |
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Definition
A charged lipid molecule composed of two Fatty Acids, Glycerol, and a Phosphate group
It is found in the outer membrane of a cell |
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Term
Proteins may function as…? (chart 3.3 pg 54-
you don’t need to memorize the chart just be
familiar with the different types of proteins)
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Definition
| Enzymes, Hormones, Transport, Contractile, Protective, Structural, Storage, Toxins, Communication |
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