Hey there! Sign in to join this conversationNew here? Join for free
    Offline

    1
    ReputationRep:
    For control of heart rate do we need to know about bundle of his etc.? i cant find it in my textbook or revision guide.
    Offline

    1
    ReputationRep:
    (Original post by wazzarazza)
    For control of heart rate do we need to know about bundle of his etc.? i cant find it in my textbook or revision guide.
    "Outline the hormonal and the nervous mechanisms involved in the control of heart rate in humans"
    Copied from the specification, it doesn't mentioned anything about the processes that happen in the heart, so I don't think you do.
    However you may want to know what happens just in case you get a synoptic question.
    But basically knowing the SA node is the pacemaker, it gets stimulated by the cardiac control centre in the medulla, which sends action potential through the accelerator nerve to increase the frequency of contractions or through the vagus nerve to decrease.
    Stretch receptors detect movement, require more o2 so accelerator nerve stimulates SA node = Increase HR
    Low PH due to increase in CO2 = Increase HR
    High blood pressure, vagus nerver = Decrease HR
    Offline

    1
    ReputationRep:
    What did everyone think? I found it quite easy apart from a few questions being the goldfish one, the 5 marker because it has AS knowledge that I couldn't remember and I didn't understand the shading one about insulin and glucose
    Offline

    0
    ReputationRep:
    Is there an unofficial mark scheme anywhere?
    • Thread Starter
    Offline

    2
    ReputationRep:
    (Original post by GeologyBoy)
    What did everyone think? I found it quite easy apart from a few questions being the goldfish one, the 5 marker because it has AS knowledge that I couldn't remember and I didn't understand the shading one about insulin and glucose
    Same. It was an okay-ish paper. The DNA question threw me off a bit though.
    Offline

    2
    ReputationRep:
    Does anyone have a list of predictions for F215/ a prediction paper? Thanks!
    Offline

    1
    ReputationRep:
    (Original post by jerseyalevel)
    Does anyone have a list of predictions for F215/ a prediction paper? Thanks!
    All I have seen for the predictions is this: Cellular control:
    - Mutations (advantageous/non advantageous)
    - Body plans (most likely a long, application question)
    - Translation/transcription
    - Epistasis
    - Hardy-Weinberg calculation (my teacher said this had a very strong chance of coming up)
    Biotechnology:
    - Cloning animals (embryo splitting/nuclear transfer)
    - Asepsis
    - PCR
    - Gene therapy
    - Use of bacteria in biotechnology
    Ecosystems:
    - Improving productivity
    - Succession (application)
    - Nitrogen cycle (detailed)
    - Conservation and the Galapagos
    Response:
    - Apical dominance
    -Sympathetic/parasympathetic pathways
    - Muscles (almost certain) & sliding filament model
    - Dopamine and its effects
    Offline

    0
    ReputationRep:
    What could they ask us on body plans?
    I thought it was quite a small section..
    Offline

    16
    ReputationRep:
    (Original post by hannonl)
    What could they ask us on body plans?
    I thought it was quite a small section..
    the most i've seen on it so far is: define a homeobox gene, define a homeobox sequence, how would a mutation in the homeobox genes affect an organism

    the textbook barely even covers homeobox, and the section that does just bangs on about drosophila... not really helpful
    Offline

    0
    ReputationRep:
    (Original post by Arima)
    the most i've seen on it so far is: define a homeobox gene, define a homeobox sequence, how would a mutation in the homeobox genes affect an organism

    the textbook barely even covers homeobox, and the section that does just bangs on about drosophila... not really helpful
    yeah, all i know is what a homeobox gene does and what the homeodomain is. That's all that's in my revision guide and cgp books.
    in jan 2010 they had an 8 mark question on it but it was combined with protein synthesis and you could get all the marks from just writing about that and saying the word homeobox idek
    Offline

    2
    ReputationRep:
    I just wana point out the unofficial mark scheme was on the other bio chat

    Posted from TSR Mobile
    Offline

    0
    ReputationRep:
    (Original post by sfarquhar0)
    Also, this is a good paper for predictions (F214);

    http://crashmaths.com/wp-content/upl...14-Paper-1.pdf
    Is there an F215 paper like this?
    Offline

    3
    ReputationRep:
    (Original post by dahlx)
    Not sure if this was directed at me, but I thought I'd share my list anyway! It's mainly just a guess from what came up last year and the year before that (and I happened to guess fairly accurately for the F212 exam on Tuesday so hopefully my luck will continue haha). I've split the list into two sections, one being topics/questions that came up last year and therefore might be unlikely come up again, and topics that didn't come up so may be in this years paper. Ideally you should revise everything, but with only about a week to the exam, you kind of have to prioritise topics (or at least I do anyway):

    F214 - Topics that came up in 2015:
    Structure and how adaptations relate to functionality of chloroplasts
    Limiting factors of photosynthesis
    Adrenaline
    Insulin secretion
    Where reactions happen within the mitochondria
    Anaerobic vs Aerobic respiration
    Dialysis
    Motor Neurone structure vs Sensory Neurone structure
    Homeostasis

    F214 - What could come up this year:
    Action potentials and depolarisation
    Synapses
    Ornithine cycle
    Osmoregulation
    General kidney function
    1st/2nd messengers
    Control of heart rate
    Structure of liver lobules
    Oxidative phosphorylation and respiration in general (as wasn't in last years exam)
    Diabetes - causes of, treatments etc
    The pancreas - glucose regulation with insulin and glucagon etc.

    Those are just what I'll personally be cramming before the exam, but OCR seem to like catching people out with unlikely questions on topics... so best to cover everything the best you can!
    do you have any for f215
    Offline

    16
    ReputationRep:
    (Original post by lolpool)
    do you have any for f215
    they've posted them at the bottom of the first page lol
    Offline

    3
    ReputationRep:
    (Original post by Arima)
    they've posted them at the bottom of the first page lol
    im not asking the same person, there are 2 different people doing predictions on this thread lol
    Offline

    1
    ReputationRep:
    (Original post by sfarquhar0)
    F215:

    Biotechnology:
    - Cloning animals (embryo splitting/nuclear transfer)
    - Asepsis
    - PCR
    - Gene therapy
    - Use of bacteria in biotechnology
    By 'Use of bacteria in biotechnology', did you mean like the batch and continuous culture methods?
    Offline

    1
    ReputationRep:
    (Original post by lolpool)
    do you have any for f215
    Sorry this is a bit last minute. Last years paper was... weird to say the least - lots of really odd stuff in there. Hopefully this years will be a little more 'on spec', especially after F214!

    What came up in 2015:
    Causes of genetic variationPredator/prey relations
    Factors affecting population size
    PCR
    Mutations
    Speciation
    Chi Squared
    Trophic levels and efficiency
    Behaviour(innate vs learned)
    Natural cloning
    Polyploidy
    Plant/Human responses to light
    Effects of smoking (???)
    The brain

    What could come up this year:
    Body plans
    Apoptosis
    Translation/transcription(long question likely, as didn’t come up last year or in F212 paper)
    Epistasis
    Hardy-Weinberg
    Artificial Cloning Plants/Animals
    Growth Curve– Primary/Secondary metabolites
    Industrial Enzymes/Immobilisation
    Improving productivity
    Sequencing Genomes
    Genetic Engineering (Golden Rice/Insulin)
    Succession
    Nitrogen cycle/Use of decomposers
    Conservation and the Galapagos
    Plant hormones (Giberillins/Ethene)
    Learned Behaviour
    Sympathetic/parasympathetic pathways
    Muscles &sliding filament model (very likely)
    Dopamine Receptors(application question likely?)
    Offline

    0
    ReputationRep:
    (Original post by dahlx)
    Sorry this is a bit last minute. Last years paper was... weird to say the least - lots of really odd stuff in there. Hopefully this years will be a little more 'on spec', especially after F214!

    What came up in 2015:
    Causes of genetic variationPredator/prey relations
    Factors affecting population size
    PCR
    Mutations
    Speciation
    Chi Squared
    Trophic levels and efficiency
    Behaviour(innate vs learned)
    Natural cloning
    Polyploidy
    Plant/Human responses to light
    Effects of smoking (???)
    The brain

    What could come up this year:
    Body plans
    Apoptosis
    Translation/transcription(long question likely, as didn’t come up last year or in F212 paper)
    Epistasis
    Hardy-Weinberg
    Artificial Cloning Plants/Animals
    Growth Curve– Primary/Secondary metabolites
    Industrial Enzymes/Immobilisation
    Improving productivity
    Sequencing Genomes
    Genetic Engineering (Golden Rice/Insulin)
    Succession
    Nitrogen cycle/Use of decomposers
    Conservation and the Galapagos
    Plant hormones (Giberillins/Ethene)
    Learned Behaviour
    Sympathetic/parasympathetic pathways
    Muscles &sliding filament model (very likely)
    Dopamine Receptors(application question likely?)

    Would it be bad to just focus on the stuff in the list as I've had so many exams in the last week and have another exam on the same day as F215 and I'm having to cram for this
    Offline

    2
    ReputationRep:
    (Original post by dahlx)
    Sorry this is a bit last minute. Last years paper was... weird to say the least - lots of really odd stuff in there. Hopefully this years will be a little more 'on spec', especially after F214!

    What came up in 2015:
    Causes of genetic variationPredator/prey relations
    Factors affecting population size
    PCR
    Mutations
    Speciation
    Chi Squared
    Trophic levels and efficiency
    Behaviour(innate vs learned)
    Natural cloning
    Polyploidy
    Plant/Human responses to light
    Effects of smoking (???)
    The brain

    What could come up this year:
    Body plans
    Apoptosis
    Translation/transcription(long question likely, as didn’t come up last year or in F212 paper)
    Epistasis
    Hardy-Weinberg
    Artificial Cloning Plants/Animals
    Growth Curve– Primary/Secondary metabolites
    Industrial Enzymes/Immobilisation
    Improving productivity
    Sequencing Genomes
    Genetic Engineering (Golden Rice/Insulin)
    Succession
    Nitrogen cycle/Use of decomposers
    Conservation and the Galapagos
    Plant hormones (Giberillins/Ethene)
    Learned Behaviour
    Sympathetic/parasympathetic pathways
    Muscles &sliding filament model (very likely)
    Dopamine Receptors(application question likely?)
    Awesome

    Posted from TSR Mobile
    Offline

    0
    ReputationRep:
    The synoptic part of f214 threw me as I couldn't remember the structure of a nucleotide .. Does anyone have any ideas on what they could include in f215??
 
 
 
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • Poll
    What's your favourite Christmas sweets?
  • See more of what you like on The Student Room

    You can personalise what you see on TSR. Tell us a little about yourself to get started.

  • The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

    Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

    Quick reply
    Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.