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![BTEC Applied Science Diffusion Final Review Exam And Answers Rated A+ 2024.](/docpics/4740346/65f358e4ce311_4740346_121_171.jpeg)
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BTEC Applied Science Diffusion Final Review Exam And Answers Rated A+ 2024.
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Diffusion - Answer the process by which molecules move down a concentration gradient = area of higher concentration to an area of lower concentration 
 
dynamic equilibrium - Answer a state of balance between continuing processes = don't change the concentration 
Particles spread evenly 
 
what happens when more molecules added? - Answer faster rate of diffusion 
why? bigger concentration gradient 
 
why is diffusion passive? - Answer No energy input needed 
 
Diffusion across a mem...
![Btec Applied Science - All physics Pro Final Exam Well Answered 2024.](/docpics/4740343/65f358dbac14a_4740343_121_171.jpeg)
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Btec Applied Science - All physics Pro Final Exam Well Answered 2024.
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What type of energy is used by a TV? - Answer Electrical 
 
What type of energy is produced by a guitar? - Answer Sound 
 
What type of energy is given off by a burning match? - Answer Heat and light 
 
What are the three types of mechanical energy? - Answer Kinetic, gravitational potential and elastic potential 
 
What type of energy is gained when something climbs up high? - Answer Gravitational potential 
 
What type of energy does a moving object have? - Answer Kinetic 
 
What ty...
![BTEC Applied Science Midterm Exam With Solved Solutions 2024.](/docpics/4740339/65f358d006400_4740339_121_171.jpeg)
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BTEC Applied Science Midterm Exam With Solved Solutions 2024.
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Bias - Answer Inclination of prejudice in a way considered to be unfair 
 
Economic Issue - Answer Related to the best use of limited, or scarce resources 
 
Environmental Issue - Answer Related to the harmful effects of human activity on the environment 
 
Ethical issue - Answer Ethically related aspects that may have affected how research was carried out 
 
Implication - Answer Effects or consequences of an action that may happen, although not explicitly stated 
 
Influence - An...
![Btec Applied Science Neurones Study Guide Exam And Correct Answers 2024.](/docpics/4740326/65f358aea98cd_4740326_121_171.jpeg)
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Btec Applied Science Neurones Study Guide Exam And Correct Answers 2024.
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what do sensory neurones do - Answer carry nervous impulses from receptors into the central nervous system (CNS) 
 
what do motor neurones do - Answer carry impulses from the CNS to the effector organs 
 
What do relay neurones do? - Answer relay neurones are intermediate neurones 
 
they recieve impulses from a sensory neurone and relay them to motor neurones 
 
what are dendrites - Answer carries nervous impulses towards a cell body 
 
what is an axon - Answer carry nervous impulses ...
![BTEC Applied Science Physical and Chemical properties Exam Questions And Verified Answers 2024.](/docpics/4740323/65f358a4840b8_4740323_121_171.jpeg)
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BTEC Applied Science Physical and Chemical properties Exam Questions And Verified Answers 2024.
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Atomic radius - Answer Size of the atom. 
 
Decreases in size with increasing protons or if atom loses electrons (cation) 
 
Increases in size with more shells or if atom gains electrons (anion). 
 
First Ionisation energy - Answer The energy needed to remove one mole of electrons from an atom in its gaseous atom 
 
First ionisation energy down groups - Answer Decreases 
 
More shells = more shielding = weaker attraction = easier (less energy) to lose one electron 
 
First ionisation ener...
![BTEC Applied Science Physics Post Exam And Answers Graded A+ 2024.](/docpics/4740320/65f3589c33909_4740320_121_171.jpeg)
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BTEC Applied Science Physics Post Exam And Answers Graded A+ 2024.
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What are the standard units of mass, length and time? - Answer Kilograms, metres and seconds 
 
What are the SI prefixes for 10^3, 10^6 and 10^9? - Answer kilo, mega, giga 
 
What are the SI prefixes for 10^-3, 10^-6 and 10^-9? - Answer milli, micro, nano 
 
What is work done? - Answer The energy transferred in moving something 
 
What is power? - Answer the rate at which work is done 
 
What happens to a gas when it is compressed? - Answer Particles get closer together 
Gas pressure...
![BTEC Applied Science Study Guide Exam And Complete Answers 2024](/docpics/4740314/65f3588a93e34_4740314_121_171.jpeg)
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BTEC Applied Science Study Guide Exam And Complete Answers 2024
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Are bacteria prokaryotes or eukaryotes? - Answer bacteria 
 
name an advantage of visible light microscope - Answer they can observe sub-cellular structures 
 
name a disadvantage of light microscope - Answer does not have a very high magnification or resolution 
 
name an advantage of electron microscope - Answer has a high resolution and magnification 
 
name a disadvantage of electron microscope - Answer they destroy the sample 
 
what is the function of the golgi apparatus? - Answe...
![Btec Applied Science – Biology Latest Exam Questions With Complete Solutions A+ 2024.](/docpics/4740310/65f3587ebe490_4740310_121_171.jpeg)
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Btec Applied Science – Biology Latest Exam Questions With Complete Solutions A+ 2024.
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What is the function of the mitochondria? - Answer cellular respiration 
 
What is the function of the ribosomes? - Answer protein synthesis 
 
What is the function of the smooth endoplasmic reticulum? - Answer Synthesis and transport of lipids and carbohydrates 
 
What is the function of the Golgi apparatus? - Answer Modified and packaged proteins into vesicles for transport 
 
What is the function of the lysosomes? - Answer Digests old cell material and waste 
 
What is the function ...
![BTEC L3 Applied Science Electronic Structure Post Exam And 100% Correct Answers 2024.](/docpics/4740307/65f35875c3fb2_4740307_121_171.jpeg)
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BTEC L3 Applied Science Electronic Structure Post Exam And 100% Correct Answers 2024.
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What is an electron shell? - Answer A group of atomic orbitals with the same principal quantum number, n. Also known as a main energy level. 
 
What is an electron sub-shell. - Answer A group of orbitals of the same type within a shell. 
 
What is an electron orbital? - Answer A region within an atom that can hold up to two electrons with opposite spin. 
 
What shape are s orbitals? - Answer Spherical 
 
What shape are p orbitals? - Answer Dumb-bell 
 
How many electrons can the an s s...
![BTEC Science Biology Practice Exam And Answers Already Passed 2024.](/docpics/4740304/65f3586aa1c7d_4740304_121_171.jpeg)
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BTEC Science Biology Practice Exam And Answers Already Passed 2024.
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What are myofibrils? - Answer They are cylindrical organelles that run along the length of muscle fibres, they are the site of muscle contraction 
 
How are myosin and actin filaments arranged? - Answer In an alternating pattern in sarcomeres, thick myosin filaments overlap with the thin actin filaments at each end 
 
What is a pair of muscles called? - Answer An antagonistic pair 
 
What is the sarcolemma? - Answer The membrane of muscle fibres 
 
what is the mitochandria? - Answer ...
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