Gcse biology help me please i beg you ;o someone help me Watch

Ilikerevising
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this is my the rest of my revision i dont get please help pls do what you can and just put idk in the ones u dont know

💫could you write it like where it says explain could you develop and on some other points as well if necessary

thankyou so much idk how much i can thank you

B3.4 Catalysts and enzymes

Describe how enzymes are used in digestion.
Explain how enzymes speed up reactions

Explain how enzymes control metabolism.

Identify the independent variable in an investigation.

Plan an experiment to investigate how different catalysts affect the rate of a reaction.



B3.5 Factors affecting enzyme action

Explain why high temperatures and changes in pH prevent enzymes from catalysing reactions.

Plan and carry out an investigation in order to gather accurate results

Plot a line graph and use it to draw conclusions about how temperatureand pH affects the rate of a reaction
B3.6 How the digestive system works

Explain why enzymes are needed for digestion.

For each food molecule, name the enzyme that acts on it, where it is produced, and the products formed.



B3.7 Making digestion efficient

Describe the functions of bile.

Bile neutralises acid to provide alkaline conditions needed in the small intestine responsible for elimination of waste products from body, particularly haemoglobin from destroyed red blood cells and excess cholesterol.



Explain how acid in the stomach increases the efficiency of pepsin
Explain how bile increases the efficiency of pepsin

B5.2 Pathogens and disease

Describe how aseptic techniques are used to create an uncontaminated culture of bacteria
Explain the conditions required for bacteria growth in a school

laboratory.





B7.1 Non-communicable diseases

Classify diseases as communicable or non-communicabble
State risk factors that are linked to an increased rate of reaction


B4.4 Breathing and gas exchange

Label a diagram of the gas exchange system to show some of the main strcutures
State that gas exchange happens in the alveoli.
Explain in detail how adaptations of alveoli result in efficient gaas exchange
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PatrykM
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are you y11 or y10?
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Ilikerevising
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(Original post by PatrykM)
are you y11 or y10?
im in year 9 .-. lol but im doing my end of year and these mean a loot so just help me with the all the bullet pooints it will mean so muchhhhhhhhhhhhhh
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Jaycemarsh
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(Original post by Ilikerevising)
this is my the rest of my revision i dont get please help ik its VERYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY LONG. but do what you can and just put idk in the ones u dont know

💫could you write it like where it says explain could you develop and on some other points as well if necessary

thankyou so much idk how much i can thank you

B1.10 Exchanging materials
 Describe how the effectiveness of exchange surfaces are increased.
 Use ideas about surface area to volume ratio to describe why multicellular organisms need exchange surfaces
 Link ideas about diffusion to explain how the adaptations of exchange surfaces increase their effectiveness.

B3.1 Tissues and organs
 Define the terms tissue, organ and organ system.
 Describe the function of certain organs and organ systems.
 Identify tissues that make up organs.
 Suggest the function of glandular, epithelial, and muscular tissue in organs.

B3.2 The human digestive system
 Name all of the organs of the digestive system.
 Describe the functions of the organs.
 Summarise the process of digestion.

B3.4 Catalysts and enzymes
 Describe how enzymes are used in digestion.
 Explain how enzymes speed up reactions.
 Explain how enzymes control metabolism.
 Identify the independent variable in an investigation.
 Plan an experiment to investigate how different catalysts affect the rate of a reaction.


B3.5 Factors affecting enzyme action
 Explain why high temperatures and changes in pH prevent enzymes from catalysing reactions.
 Plan and carry out an investigation in order to gather accurate results.
 Plot a line graph and use it to draw conclusions about how temperature and pH affects the rate of an enzyme catalysed reaction

B3.6 How the digestive system works
 Explain why enzymes are needed for digestion.
 For each food molecule, name the enzyme that acts on it, where it is produced, and the products formed.

B3.7 Making digestion efficient
 Describe the functions of bile.
 Explain how acid in the stomach increases the efficiency of pepsin.
 Explain how bile increases the efficiency of fat digestion.

B5.2 Pathogens and disease
 Describe how bacteria and viruses cause disease.
 Explain how pathogens are passed from one organism to another.
 Suggest ways of preventing the spread of communicable diseases, referring to the transfer of pathogens.
 Describe how aseptic techniques are used to create an uncontaminated culture of bacteria.
 Explain the conditions required for bacteria growth in a school laboratory.

B7.1 Non- communicable diseases
 Classify diseases as communicable or non-communicable.
 State risk factors that are linked to an increased rate of a disease.

B4.4 Breathing and gas exchange
 Label a diagram of the gas exchange system to show some of the main structures.
 State that gas exchange happens in the alveoli.
 Explain in detail how adaptations of alveoli result in efficient gas exchange.


Key practical’s you will have carried out this academic year:
Required practical activity 1: use a light microscope to observe, draw and label a selection of plant and animal cells. A magnification scale must be included.

Required practical activity 3: investigate the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue

Required practical activity 4: investigate the effect of pH or temperature on enzyme activity.

Skills you may be tested on:

o Calculating mean.
o Identifying variables in an experiment.
o Plotting graphs with line of best fit.
o Describing trends of graphs.
o Using the formula: real size = image size magnification
If there’s a way i can send it to u through another app it would be much easierr
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Ilikerevising
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(Original post by Jaycemarsh)
If there’s a way i can send it to u through another app it would be much easierr
i acc dont know this is the only thing i can use tbh... ;/
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RiceKrispies
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(Original post by Ilikerevising)
the topic list:




this is my the rest of my revision i dont get please help ik its VERYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY LONG. but do what you can and just put idk in the ones u dont know

💫could you write it like where it says explain could you develop and on some other points as well if necessary

thankyou so much idk how much i can thank you

B1.10 Exchanging materials
 Describe how the effectiveness of exchange surfaces are increased.
 Use ideas about surface area to volume ratio to describe why multicellular organisms need exchange surfaces
 Link ideas about diffusion to explain how the adaptations of exchange surfaces increase their effectiveness.

B3.1 Tissues and organs
 Define the terms tissue, organ and organ system.
 Describe the function of certain organs and organ systems.
 Identify tissues that make up organs.
 Suggest the function of glandular, epithelial, and muscular tissue in organs.

B3.2 The human digestive system
 Name all of the organs of the digestive system.
 Describe the functions of the organs.
 Summarise the process of digestion.

B3.4 Catalysts and enzymes
 Describe how enzymes are used in digestion.
 Explain how enzymes speed up reactions.
 Explain how enzymes control metabolism.
 Identify the independent variable in an investigation.
 Plan an experiment to investigate how different catalysts affect the rate of a reaction.


B3.5 Factors affecting enzyme action
 Explain why high temperatures and changes in pH prevent enzymes from catalysing reactions.
 Plan and carry out an investigation in order to gather accurate results.
 Plot a line graph and use it to draw conclusions about how temperature and pH affects the rate of an enzyme catalysed reaction

B3.6 How the digestive system works
 Explain why enzymes are needed for digestion.
 For each food molecule, name the enzyme that acts on it, where it is produced, and the products formed.

B3.7 Making digestion efficient
 Describe the functions of bile.
 Explain how acid in the stomach increases the efficiency of pepsin.
 Explain how bile increases the efficiency of fat digestion.

B5.2 Pathogens and disease
 Describe how bacteria and viruses cause disease.
 Explain how pathogens are passed from one organism to another.
 Suggest ways of preventing the spread of communicable diseases, referring to the transfer of pathogens.
 Describe how aseptic techniques are used to create an uncontaminated culture of bacteria.
 Explain the conditions required for bacteria growth in a school laboratory.

B7.1 Non- communicable diseases
 Classify diseases as communicable or non-communicable.
 State risk factors that are linked to an increased rate of a disease.

B4.4 Breathing and gas exchange
 Label a diagram of the gas exchange system to show some of the main structures.
 State that gas exchange happens in the alveoli.
 Explain in detail how adaptations of alveoli result in efficient gas exchange.


Key practical’s you will have carried out this academic year:
Required practical activity 1: use a light microscope to observe, draw and label a selection of plant and animal cells. A magnification scale must be included.

Required practical activity 3: investigate the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue

Required practical activity 4: investigate the effect of pH or temperature on enzyme activity.

Skills you may be tested on:

o Calculating mean.
o Identifying variables in an experiment.
o Plotting graphs with line of best fit.
o Describing trends of graphs.
o Using the formula: real size = image size magnification
This is very long haha, don't you have a revision guide or textbook to help you? Im pretty sure these questions have come from the AQA biology third edition made from oxford.
You can also use freesciencelssons.
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Ilikerevising
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(Original post by Ilikerevising)
the topic list:




this is my the rest of my revision i dont get please help ik its VERYYYYYYYYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYY LONG. but do what you can and just put idk in the ones u dont know

💫could you write it like where it says explain could you develop and on some other points as well if necessary

thankyou so much idk how much i can thank you

B1.10 Exchanging materials
 Describe how the effectiveness of exchange surfaces are increased.
 Use ideas about surface area to volume ratio to describe why multicellular organisms need exchange surfaces
 Link ideas about diffusion to explain how the adaptations of exchange surfaces increase their effectiveness.

B3.1 Tissues and organs
 Define the terms tissue, organ and organ system.
 Describe the function of certain organs and organ systems.
 Identify tissues that make up organs.
 Suggest the function of glandular, epithelial, and muscular tissue in organs.

B3.2 The human digestive system
 Name all of the organs of the digestive system.
 Describe the functions of the organs.
 Summarise the process of digestion.

B3.4 Catalysts and enzymes
 Describe how enzymes are used in digestion.
 Explain how enzymes speed up reactions.
 Explain how enzymes control metabolism.
 Identify the independent variable in an investigation.
 Plan an experiment to investigate how different catalysts affect the rate of a reaction.


B3.5 Factors affecting enzyme action
 Explain why high temperatures and changes in pH prevent enzymes from catalysing reactions.
 Plan and carry out an investigation in order to gather accurate results.
 Plot a line graph and use it to draw conclusions about how temperature and pH affects the rate of an enzyme catalysed reaction

B3.6 How the digestive system works
 Explain why enzymes are needed for digestion.
 For each food molecule, name the enzyme that acts on it, where it is produced, and the products formed.

B3.7 Making digestion efficient
 Describe the functions of bile.
 Explain how acid in the stomach increases the efficiency of pepsin.
 Explain how bile increases the efficiency of fat digestion.

B5.2 Pathogens and disease
 Describe how bacteria and viruses cause disease.
 Explain how pathogens are passed from one organism to another.
 Suggest ways of preventing the spread of communicable diseases, referring to the transfer of pathogens.
 Describe how aseptic techniques are used to create an uncontaminated culture of bacteria.
 Explain the conditions required for bacteria growth in a school laboratory.

B7.1 Non- communicable diseases
 Classify diseases as communicable or non-communicable.
 State risk factors that are linked to an increased rate of a disease.

B4.4 Breathing and gas exchange
 Label a diagram of the gas exchange system to show some of the main structures.
 State that gas exchange happens in the alveoli.
 Explain in detail how adaptations of alveoli result in efficient gas exchange.


Key practical’s you will have carried out this academic year:
Required practical activity 1: use a light microscope to observe, draw and label a selection of plant and animal cells. A magnification scale must be included.

Required practical activity 3: investigate the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue

Required practical activity 4: investigate the effect of pH or temperature on enzyme activity.

Skills you may be tested on:

o Calculating mean.
o Identifying variables in an experiment.
o Plotting graphs with line of best fit.
o Describing trends of graphs.
o Using the formula: real size = image size magnification
(Original post by Jaycemarsh)
If there’s a way i can send it to u through another app it would be much easierr
do you have insta? or email? idkkkkkkkkkkkkkkkkkkkkkk insta will be long cuz its so tiny email should do just type it up in word and send the document but please could your write b4.7 blah blah
and like but bullet points and explain as much please tyyyyyyyyyyyyyyyyyy x
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Ilikerevising
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(Original post by RiceKrispies)
This is very long haha, don't you have a revision guide or textbook to help you? Im pretty sure these questions have come from the AQA biology third edition made from oxford.
You can also use freesciencelssons.
i don't have a guide for bio and i have used freesciencelessons for my biology and chem but here all i need is simple bullet points not full topic like the teacher have specificated what i need 2 learn so yeah.
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anonymous._.123
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the spec is quite detailed:
http://filestore.aqa.org.uk/resource...61-SP-2016.PDF
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Ilikerevising
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(Original post by anonymous._.123)
the spec is quite detailed:
http://filestore.aqa.org.uk/resource...61-SP-2016.PDF
i cant find my stuff on the spec and im in year9 so.... i havent started the gcse spec yet?! i suppose
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Jaycemarsh
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(Original post by Ilikerevising)
do you have insta? or email? idkkkkkkkkkkkkkkkkkkkkkk insta will be long cuz its so tiny email should do just type it up in word and send the document but please could your write b4.7 blah blah
and like but bullet points and explain as much please tyyyyyyyyyyyyyyyyyy x
Ya your insta I’ll copy and paste it or try figure out somethingg
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Ilikerevising
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(Original post by Jaycemarsh)
Ya your insta I’ll copy and paste it or try figure out somethingg
my email is [email protected]


it would be hard 2 get on insta atm justuse email
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elliemclaughlin1
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(Original post by Jaycemarsh)
Ya your insta I’ll copy and paste it or try figure out somethingg
My insta is @elliekatesophia i got a A* in gcse biology last year happy to help u
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Ilikerevising
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(Original post by elliemclaughlin1)
My insta is @elliekatesophia i got a A* in gcse biology last year happy to help u
thanks but i'd rather email if thats possible
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Phantom1
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(Original post by Ilikerevising)
i acc dont know this is the only thing i can use tbh... ;/
Use Seneca
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Ilikerevising
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(Original post by Phantom1)
Use Seneca
i dont think this is exact to the spec im only in year 9
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Phantom1
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(Original post by Ilikerevising)
i dont think this is exact to the spec im only in year 9
Still, Use Seneca
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Ilikerevising
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(Original post by Phantom1)
Still, Use Seneca
how do i find the specific info i need on it it will just give me 100 notes about the whole of active transport
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Phantom1
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(Original post by Ilikerevising)
how do i find the specific info i need on it it will just give me 100 notes about the whole of active transport
Check the Spec.
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Ilikerevising
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(Original post by Phantom1)
Check the Spec.
help me find tissues and organs in the spec aqa bio higher
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