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| T/F: EVEN A ONE CELLED BACTERIUM HAS COMPLEXITY AT A CHEMICAL LEVEL OF ORGANIZATION |
TRUE |
| Through photosynthesis,PLANTS TRAP ___ AND __ FROM CO2 IN THE AIR |
CARBON AND OXYGEN |
| THROUGH PHOTOSYNTHESIS,PLANTS EXTRACT NITORGEN FROM THE ____ |
SOIL |
| THROUGH PHOTOSYNTHESIS,PLANTS PULL ___ AND ___ FROM WATER |
OXYGEN AND HYDROGEN |
| ANIMALS CANNOT TRAP ENERGY FROM THE SUN,SOIL,OR AIR TO MAKE BIOMOLECULES;INSTEAD THEY MUST _____ |
EAT PLANTS OR OTHER ANIMALS TO IMPORT NITROGEN CHEMICAL-BOND ENERGY THROUGH RESPIRATION |
| RESPIRATION ALLOWS ANIMALS TO CONSUME OXYGEN AND PRODUCE ____ AND ___ |
CO2 CARBON DIOXIDE AND WATER |
| What is the name for the glucose polymers (carbs) and lipid molec are the main energy stores of animals? |
GLYCOGEN |
| ULTIMATELY,WHAT IS THE ENRGY SOURCE FOR ALL ANIMALS AND PLANTS? |
ENERGY FROM THE SUN TRAPPED BY PHOTOSYNTHESIS |
| IN BIOLOGICAL SYSTEMS,ENERGY MEANS ONE OF THREE THINGS: |
1) CHEMICAL WORK 2) TRANSPORT WORK 3) MECHANICAL WORK |
| ENERGY IS THE CAPACITY TO DO ___ |
WORK |
| THE FUNCTION OF ____ WORK ENBLES CELLS & ORGANISMS TO GROW,MAINTAIN SUITABLE INTERNAL ENVIRONMENT,AND STORE INFO FOR REPROD |
CHEMICAL WORK |
| NAME AN EXAMPLE OF CHEMICAL WORK IN REF TO WOUND REPAIR |
THE CHEM BONDS OF A PROTEIN A BODY USES FOR WOUND REPAIR |
| TRANSPORT WORK ALLOWS CELLS TO MOVE __,___,AND ___ THROUGH CELL MEMBRANE |
IONS,MOLEC,LARGER PARTICLES |
| TRANSPORT WORK IS USEFUL IN CREATING ___ ___ |
CONCENTRATION GRADIENT |
| WHAT IS A CONCENTRATION GRADIENT? |
DISTRIBUTION OF MOLEC IS GREATER ON SIDE OF THE MEMBRANE THAN ON THE OTHER; |
| WHAT IS AN EXAMPLE OF TRANSPORT WORK IN THE ER? |
ER USE ENERGY TO TRANSPORT CALCIUM IONS FROM THE CYTOSOL |
| ___ WORK IS USED FOR MOVEMENT IN ANIMALS |
MECHANICAL WORK |
| NAME EXAMPLES OF MECHANICAL WORK AT THE CELLULAR LEVEL |
ORGANELLES MOVING,CELLS CHANGING SHAPE,CILLIA/FLAGELLA BEATING |
| MECHANICAL MOVEMENT AT A ___ LEVEL INVOLVES MUSCLE CONTRACTION |
MACROSCOPIC |
| MOST MECHANICAL WORK IS MEDIATED BY ___ PROTEINS FROM INRACELLULAR CYSTOSKELETON |
MOTOR (IE. ACTIN MICROFILAMENTS;MYOSIN INTERMEDIATE FILAMENTS) |
| WHAT ARE THE 2 FORMS OF OF ENERGY? |
KINETIC AND POTENTIAL |
| iN SCIENCE,ENERGY IS REFERRED TO STORED ENERGY IN ___ BONDS |
CHEMICAL BONDS |
| ___ ENERGY REFERS TO MOTION |
KINETIC |
| STORED ENERGY IS ___ ENERGY |
POTENTIAL |
| A BALL ROLLING DOWN A HILL IS AN EXAMPLE OF ____ |
KINETIC ENERGY |
| ELECTRIC CHARGE FLOWING THROUGH POWER LINES |
KINETIC ENERGY |
| PERFUME MOLEC SPREADING THROUGH THE AIR |
KINETIC ENERGY |
| A BALL POISED AT THE TOP OF THE HILL HAS __ ENERGY |
POTENTIAL |
| A MOLEC ON THE HIGH SIDE OF CONCENTRATION GRADIENT STORES __ ENERGY BECAUSE IT CAN MOVE DOWN THE GRADIENT |
POTENTIAL |
| IN CHEMICAL BONDS,____ ENERGY IS STORED IN THE POSITION OF THE e- |
POTENTIAL |
| T/F KINETIC ENERGY AND POTENTIAL ENERGY HAVE THE ABILITY TO BECOME EACH OTHER |
TRUE |
| WORK ALWAYS INVOLVES MOVEMENT,THEREFORE IS ALWAYS ASSOCIATED WITH __ ENERGY |
KINETIC ENERGY |
| POTENTIAL ENERGY CAN BE USED TO PERFORM WORK,BUT WHAT MUST HAPPEN FIRST? |
POTENTIAL ENERGY MUST CONVERT TO KINETIC ENERGY FIRST |
| WHAT HAPPENS TO ENERGY DURING THE CONVERSION OF POTENTIAL TO KINETIC ENERGY? |
CERTAIN AMOUNT OF ENERGY LOST TO THE ENVIRONMENT AS HEAT |
| IS THE CONVERSION OF POTENTIAL TO KINETIC ENERGY 100% EFFICIENT? |
NO |
| WHEN WORK IS USED TO PUSH A BALL UP A RAMP,WHAT IS HAPPENING TO THE KINETIC/POTENTIAL ENERGY? |
MOVEMENT UP THE RAMP (KINETIC ENERGY) TRANSFORMS TO POTENTIAL ENERGY OF THE BALL'S POSITION |
| THE BALL SITTING ON TOP OF THE RAMP HAS ___ ENERGY AS THERE IS NO WORK BEING PERFORMED |
POTENTIAL ENERGY |
| WHEN THE BALL ROLLS DOWN THE RAMP,___ ENERGY CONVERTS TO __ ENERGY |
POTENTIAL (BALL ON TOP OF RAMP) TO KINETIC (BALL ROLLS DOWN THE RAMP) |
| AS THE BALL ROLLS DOWN,WHAT HAPPENS TO SOME OF THE KINETIC ENERGY? |
IT IS LOST TO ENVIRONMENT AS HEAT DUE TO FRICTION BETWEEN BALL,RAMP,AND AIR |
| IN BIOLOGY, __ ENERGY IS CHANGED TO __ ENERGY WHEN CHEMICAL,TRANSPORT,AND MECHANICAL WORK IS NEEDED. |
POTENTIAL ENERGY TO KINETIC ENERGY |
| WHAT 2 LAWS GOVERN THE TRANSFER OF ENERGY |
1ST AND 2ND LAWS OF THERMODYNAMICS |
| What is the law that states the total amt of energy in the universe stays constant;nothing enters or leaves,energy jUSt converts to another type |
first law of thermodynamics or law of conservation of energy |
| T/F THE UNIVERSE IS CONSIDERED TO BE A CLOSED SYSTEM AND SO IS THE HUMAN BODY |
FALSE;HUMAN BODY IS OPEN SYS / UNIVERSE IS A CLOSED SYSTEM |
| WHAT HAPPENS TO ENERGY THAT STAYS IN OUR BODIES |
CHANGES FROM ONE TYPE TO ANOTHER [CHEMICAL,TRANSPORT,MECHANICAL WORK] |
| THE 2ND LAW OF THERMODYNAMICS STATES THAT NATURAL SPONTANEOUS PROCESSES MOVE FROM ___ TO ___. |
ORDER (NONRANDOMNESS) TO RANDOMNESS/DISORDER/ENTROPHY |
| IN OPEN SYSTEM LIKE THE BODY,WHAT IS NEEDED TO CREATE AND MAINTAIN ORDER |
INPUT OF ENERGY |
| WHY DOES DIORDER OR ENTROPHY BEGIN? |
OPEN SYSTEMS LOSE ENERGY TO SURROUNDINGS W/OUT REGAINING IT |
| IN A BIOLOGICAL SYS,____ REACTIONS ARE CRITICAL MEANS OF TRANSFERRING ENERGY FROM ONE PART OF THE SYS TO ANOTHER |
CHEMICAL REACTIONS |
BIOL3326 Forms
