Chemistry of Life and Organic Chemistry SG #2

jwoodward94
Flashcards by jwoodward94, updated more than 1 year ago
jwoodward94
Created by jwoodward94 over 6 years ago
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college Biology 101 Flashcards on Chemistry of Life and Organic Chemistry SG #2, created by jwoodward94 on 09/18/2014.

Resource summary

Question Answer
WHAT ARE THE PARTS OF AN ATOM? THE NUCLEUS IS MADE OF NEUTRONS AND PROTONS ELECTRONS ROTATE AROUND THE NUCLEUS
WHAT IS A NON POLAR COVALENT BOND ELECTRONS SHARED EQUALLY. EXAMPLE: HYDROGEN BONDS
WHAT IS A POLAR BOND? ELECTRONS SHARED UNEQUALLY. EXAMPLE: WATER
WHAT IS AN IONIC BOND? WHEN HIGH ELECTRO-NEGATIVITY STRIPS VALENCE AWAY FROM ANOTHER ATOM. EXAMPLE: SODIUM CHLORIDE
WHAT IS A HYDROGEN BOND? HYDROGEN BONDS OCCUR WHEN A POSITIVE HYDROGEN BOND ATTRACTS TO A NEGATIVE ATOM. EXAMPLE: WATER, DNA
WHAT IS A CHEMICAL REACTION? REACTIONS OCCUR WHEN TWO OR MORE MOLECULES INTERACT AND THE MOLECULES CHANGE.
WHOS GOING TO ACE THIS TEST TODAY? YOU OF COURSE! KEEP WORKING HARD, YOU ARE DOING GREAT! :)
HOW DOES A HYDROGEN BOND RELATE TO WATER? HYDROGEN ATTRACTS THE H ATOMS TO THE O ATOMS. HYDROGEN BONDS ARE THE GLUE OF WATER!
WHAT ARE THE PROPERTIES OF WATER? -WATER IS LIQUID AT ROOM TEMP; drinking, bathing, cooking -TEMP OF WATER RISES AND FALLS SLOWLY; prevents drastic changes -HIGH HEAT OF VAPOR; body doesnt overheat -ICE IS LESS DENSE THAN LIQUID WATER; so ice floats -WATER MOLS ARE COHESIVE; blood vessels
WHAT IS AN ACID? INCREASES THE HYDROGEN CONCENTRATION OF A SOLUTION
WHAT IS pH? POWER OF HYDROGEN!
WHAT IS BASE? REDUCES THE HYDROGEN ION CONCENTRATION OF A SOLUTION
DEFINE SOLUTE THE MATTER THAT DISOLVES IN SOLUTION
DEFINE SOLVENT THE MATTER DISSOLVING SOLUTE
DEFINE SOLUTION 2 OR MORE SOLVENTS MIXED TOGETHER AND UNIFORMLY DISPERESED. MAINLY THE RESULT OF FLUID, SOLID OR GAS BEING DISSOLVED IN A LIQUID.
WHY IS CARBON IMPORTANT FOR LIVING ORGANISMS? CARBON STICKS TO ITSELF. CREATING LONG CHANGES OF COMPLEX MOLECULES, IMPORTANT IN THEIR OWN FUNCTIONS. ALL LIFE ON EARTH IS BASED ON CARBON.
WHAT IS THE FUNCTION AND SUBUNIT OF CARBOHYDRATES? THE FUNCTION OF CARBS IS A SHORT TERM ENERGY STORAGE. SUBUNIT: SIMPLE SUGARS
WHAT IS THE FUNCTION AND SUBUNIT OF NUCLEIC ACID? TO STORE AND TRANSMIT GENETIC INFORMATION. EXAMPLE: NUCLEOTIDES
WHAT IS THE FUNCTION AND SUBUNIT OF PROTEIN? TO SUPPORT ENZYMES AND TRANSPORT DEFENSE, TO PUT HORMONES IN MOTION. SUBUNIT: AMINO ACIDS
WHAT IS THE FUNCTION AND SUBUNIT OF LIPIDS? CONTAIN MORE ENERGY PER GRAM THAN OTHER BIOLOGICAL MOLECULES. SUBUNIT: FATTY ACIDS
HOW IS DNA AND RNA ALIKE AND DIFFERENT? DNA AND RNA ARE BOTH MADE UP OF POLYNUCLEOTIDE STRANDS. DNA HAS 2 STRANDS. RNA ONLY HAS 1.
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