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AP BIO
Section 1
21
Biology
11th Grade
10/05/2009

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Cards

Term
What are the six main elements found in humans?
Definition
Sulfur, Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus
Term
What are the three subatomic particles, their charges and how many AMUs they weigh?
Definition
Proton=Positive, 1,
Electron=Negative, 0,
Neutron=Neutral, 1
Term
What makes up the atomic mass of an element?
Definition
The number of protons and neutrons in a nucleus of a single atom.
Term
What is the term for when an electron leaves an atom to go to another?
Definition
Quantum Leap
Term
What does the atomic number mean?
Definition
The number of protons in the nucleus in a single atom of an element.
Term
What is the most common element found in living things?
Definition
Carbon
Term
What is an isotope?
Definition
The same element but has a different number of neutrons in the nucleus. Must have the same number of protons.
Term
What type of bond consists of the sharing of a pair of valence electrons?
Definition
Covalent Bonds
Term
What is ionic bonding?
Definition
The transfer of electrons.
Term
What is cohesion?
Definition
The bonding of the molecules to neighboring molecules of the same type.
Term
What is adhesion?
Definition
Hydrogen bonding between two different polar molecules.
Term
At what temperature is water densest at?
Definition
4 degrees Celsius
Term
How do you find the pH of a solution?
Definition
pH = -log[H+]
Term
What do all organic molecules contain?
Definition
Carbon
Term
What are the 4 types of organic molecules?
Definition
Carbohydrates, Proteins, Lipids, and Nucleic Acids
Term
What is the purpose of alpha glucose?
Definition
energy storing
Term
What is the only type of organic molecule that is nonpolar?
Definition
Lipids
Term
What are the four levels of protein structure comprised of?
Definition
1st- Primary Structure (linear sequence of amino acids),
2nd- Secondary Structure (alpha helix, beta pleated),
3rd- Tertiary Structure (globular proteins(,
4th- Quaternary Structure (two or more polypeptide chains bonding with each other)
Term
What are proteins made of?
Definition
Amino Acids
Term
What do nucleotides make up?
Definition
Nucleic Acids
Term
What are the 2 types of cells?
Definition
Prokaryote and Eukaryote
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