Define Biology
The study of Life
What part of the cell makes ATP
Mitochondria
How many electrons are in the first shell of an element
2
Define Hydrocarbon
Chain of Carbons and Hydrogens
What is the smallest Unit of Life
The cell
Where is genetic information stores
Nucleus
The atomic number represents what of an element?
number of protons
What is the name of specialized proteins that speed up chemical reactions
Enzymes
What is the process in which populations become better adapted "through Natural selection" over time
Evolution
Archae and Bacteria are examples of what types of cells?
Prokaryotes
How many Carbons are in 3C4 H10O2
T or F: A polymer is a long molecule of repeating units
True
1- observe/ ask Questions
2- Research Problem or question
3- form and test hypothesis
4- analyze results
5- form conclusion
6- present results
what is the selective barrier that allows passage of nutrients, gasses, and waste?
Plasma Membrane
Atoms with the same number of Protons but different number of neutrons are called
Isotopes
What is the term called when you disassemble polymers into monomers?
Hydrolysis
What are the seven characteristics of Life
1- Life is organized
2- life obtains material and energy
3- life maintains internal environment
4- life responds to environment
5- life reproduce
6- develop
7- life has adaptaitons
What part of the cell specializes in digesting old macromolecules or old parts of the cell?
Lysosome
What 4 elements make up 96% of the human body?
Carbon, Oxygen, Hydrogen, Nitrogen
List and Define the 4 structures of Proteins
Primary-sequence of amino acids
Secondary-coils and folds from h-bonds in backfolds
Tertiary -interactions between its amino acid side chains,
Quaternary- association of several protein chains or subunits into a closely packed arrangement