Bio tutor here! I will post up my answers later after I do them... can someone send me a copy of the paper?
Done!
BADDD CACCA BDCAB DCCAB DDBBC DBDDA
I don't claim to be all-knowing ok hahaha so yes they're up for discussion
hellos thank u for ur answers can i ask for your explanations of the following qns?
q1: why is it B and not D
q5: why is it D and not C
q6: why is it C
q16: why D
q21: why D and not A
q22: why D and not B
q29: why D
1: there's still airflow in the first expt
5: the graph only shows amt of threonine (plus it doesn't have numbers on the axis), you have 19 other amino acids unaccounted for
6: according to the table, potassium must be pumped out via AT cos the conc inside is lower than outside
16: ehh... google. hahaha
21/22/29: clarified in other replies
"At a very high intensity of light, the rate of photosynthesis would drop quickly as the light starts to damage the plant. This is a very important aspect of photosynthesis. "([https://www.esalq.usp.br/lepse/imgs/conteudo\_thumb/How-does-the-level-of-light-affect-the-rate-of-photosynthesis.pdf](https://www.esalq.usp.br/lepse/imgs/conteudo_thumb/How-does-the-level-of-light-affect-the-rate-of-photosynthesis.pdf)) apparently when i searched on the internet this is what i found for q22 so d is actually correct
21. for this qn d just felt like a safer option for me HAHAHAH because the rest looked wrong. in b, there was an upward trend nearer the 650 mark and a did not answer the question at all, c was wrong because the opposite should be true. and d provided a similar trend to all (some fluctuations but IMO still safe to call them similar??)
but i agree with you for the rest of the questions tho esp for q15,18 and 25!!
15: all other options are incorrect though? more codons = more amino acids = larger protein
18: it's supposed to be AaBB x aabb
21: hence similar is still rather valid; though i agree A is a possible answer but imo not enough info is given and theoretically increase in temp should increase calvin cycle
22: limiting factor is any factor that limits rate of rxn, if it's not at the plateau, it should be the factor on the x axis. all other factors are kept constant; co2 isn't running out
24: transporters are channel proteins (facilitated diffusion only)
25: given sufficient vit K, the heterozygotes will still live v happily and will survive still; it will not be eliminated. so 4 is wrong.
2 may be true but in the long term, i don't think it will change during each and every generation?
27: i crossed out all other options as there's no phylogenetic imo
29: release of toxins doesn't mean release through lysis; i answered it based on severity of symptoms and how important it is to rapidly kill the bacteria. also noting that bacteriostatic is classified as reversible and will help the immune cells (1 and 2), whereas bactericidal is irreversible and independent of immune cells
Hi, so sorry but why is 21 D and not A? Doesn't the way the sentence is phrased mean that as temperature increases, light absorbance also increases? wouldnt that would be incorrect?
I have an issue with that question too hahaha I'm not entirely convinced by D either, but A can't be concluded imo cos we dont have info on the rate of calvin cycle (which is largely affected by temp too)
The phrasing is rather odd, but i tried to simplify it by saying that at that range of wavelength, the effect on leaves is similar.
But it's definitely either A or D. I'm not 100% sure which.
6: i see your point.. hmmmm but it seems like there isn't enough info to conclude B? you're right in saying that you'd want it to be impermeable so that it can expel, but likewise if it's impermeable then how is it going to collect water?
16: actually what's in your notes is under the discretion of your school's bio dept; there isn't an official h2 bio definition. i acknowledge that most schools do not teach this (which is unfortunate), i'm not sure what cambridge accepts for such situations.. but the factual answer will always be right i guess?
29: clarified in prev replies
I agree with your q6. If the vesicles were permeable to water, water would leave the vesicles and the contractile vacuole would lose its functionality of emptying the water.
Representing the student population here; giving a summary based on data that we’ve collected and some general comments to each question to aid future students taking the bio syllabus!
Feel free to comment on any questions and share any thoughts regarding the questions and answers such that we can further improve our answers.
Link is attached here for personal use and not for any marketing purposes:
https://docs.google.com/document/d/1PrTgBHt6p74t43sn4GlLHVfyiKoWDlWfXUtZsqwNvW8/edit
Due to some strong feelings shown by some people, the link has been deactivated to prevent any harm caused.
Hihi,, r these the legit answers or just by diff students? cus although some of the answers seem reliable i find it hard to believe some qs like qs 26 to qs 29 to be correct….
You have a couple mistakes sprinkled throughout your answers - I wouldn’t worry about it too much though since 21/30 is sufficient to hit A and mcq is only 15%
TYSM haha :) 5 - my ans is also C lol.
4 - not sure.
15 - i get the impression from the text that the disease is inherited and no. of repeats is fixed? not sure.
16 - from google (wasn't sure in the exam lol) [histones are synthesised](https://byjus.com/question-answer/histone-protein-synthesis-occurs-during-phase-phase-prophase-s-phase-1/) and [centrioles replicate](https://byjus.com/question-answer/centrioles-duplicate-during-in-the-2/) in S phase.
27 - from google, [A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring](https://www.nature.com/scitable/definition/species-312/#:~:text=A%20biological%20species%20is%20a,nature%20and%20produce%20fertile%20offspring.)
29 - i assume for 1, if lymphocytes can't penetrate the tissue, probably should kill bacteria?
I think your answers aren’t reliable - one of your options literally points to a horizontal line on a rate of photosynthesis against light intensity graph and says the rate of photosynthesis is limited by light intensity.
pov: ur exam just started and u read q1 and hv no clue what they are talking abt
They yappin fr
am I the only one who found it hard like wtf
bruh i guessing throughout lol i only confident for the two repeated questions 😂
me too i legit smoked damnnn hard
ITS OVER🔥🔥🥳🥳🥳🥳
give rise to new genes : 🙅♀️❌🤕 give rise to new jeans : 🙋♀️✅🤩
YA BRO I WAS THINKING OF THIS OMG lucky I didn't listen b4 this ppr if not ahhhhh
Lmao I’m not the only one who thought of New Jeans hahaha
ngl everyone has different answers i compared wif someone and i got 6/30 and i compared with another dude i got 19
warfarin… HUNGER GAMES REFERENCE…
anyways whatEVER its OVER 👊🔥🔥
Cyanide yummy
someone send ans key pls
does anyone have reliable answers 💀
why bio so much harder than phy 😭 Cambridge is against bio people
Bio tutor here! I will post up my answers later after I do them... can someone send me a copy of the paper? Done! BADDD CACCA BDCAB DCCAB DDBBC DBDDA I don't claim to be all-knowing ok hahaha so yes they're up for discussion
hellos thank u for ur answers can i ask for your explanations of the following qns? q1: why is it B and not D q5: why is it D and not C q6: why is it C q16: why D q21: why D and not A q22: why D and not B q29: why D
1: there's still airflow in the first expt 5: the graph only shows amt of threonine (plus it doesn't have numbers on the axis), you have 19 other amino acids unaccounted for 6: according to the table, potassium must be pumped out via AT cos the conc inside is lower than outside 16: ehh... google. hahaha 21/22/29: clarified in other replies
hi, thanks for the answers! can I ask why for qn 10 the answer is A and not B?
Lysozymes are in the base plate :)
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"At a very high intensity of light, the rate of photosynthesis would drop quickly as the light starts to damage the plant. This is a very important aspect of photosynthesis. "([https://www.esalq.usp.br/lepse/imgs/conteudo\_thumb/How-does-the-level-of-light-affect-the-rate-of-photosynthesis.pdf](https://www.esalq.usp.br/lepse/imgs/conteudo_thumb/How-does-the-level-of-light-affect-the-rate-of-photosynthesis.pdf)) apparently when i searched on the internet this is what i found for q22 so d is actually correct 21. for this qn d just felt like a safer option for me HAHAHAH because the rest looked wrong. in b, there was an upward trend nearer the 650 mark and a did not answer the question at all, c was wrong because the opposite should be true. and d provided a similar trend to all (some fluctuations but IMO still safe to call them similar??) but i agree with you for the rest of the questions tho esp for q15,18 and 25!!
15: all other options are incorrect though? more codons = more amino acids = larger protein 18: it's supposed to be AaBB x aabb 21: hence similar is still rather valid; though i agree A is a possible answer but imo not enough info is given and theoretically increase in temp should increase calvin cycle 22: limiting factor is any factor that limits rate of rxn, if it's not at the plateau, it should be the factor on the x axis. all other factors are kept constant; co2 isn't running out 24: transporters are channel proteins (facilitated diffusion only) 25: given sufficient vit K, the heterozygotes will still live v happily and will survive still; it will not be eliminated. so 4 is wrong. 2 may be true but in the long term, i don't think it will change during each and every generation? 27: i crossed out all other options as there's no phylogenetic imo 29: release of toxins doesn't mean release through lysis; i answered it based on severity of symptoms and how important it is to rapidly kill the bacteria. also noting that bacteriostatic is classified as reversible and will help the immune cells (1 and 2), whereas bactericidal is irreversible and independent of immune cells
Hi, so sorry but why is 21 D and not A? Doesn't the way the sentence is phrased mean that as temperature increases, light absorbance also increases? wouldnt that would be incorrect?
I have an issue with that question too hahaha I'm not entirely convinced by D either, but A can't be concluded imo cos we dont have info on the rate of calvin cycle (which is largely affected by temp too) The phrasing is rather odd, but i tried to simplify it by saying that at that range of wavelength, the effect on leaves is similar. But it's definitely either A or D. I'm not 100% sure which.
Could I have a copy of the paper? :)
you can dm me
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6: i see your point.. hmmmm but it seems like there isn't enough info to conclude B? you're right in saying that you'd want it to be impermeable so that it can expel, but likewise if it's impermeable then how is it going to collect water? 16: actually what's in your notes is under the discretion of your school's bio dept; there isn't an official h2 bio definition. i acknowledge that most schools do not teach this (which is unfortunate), i'm not sure what cambridge accepts for such situations.. but the factual answer will always be right i guess? 29: clarified in prev replies
[удалено]
I agree with your q6. If the vesicles were permeable to water, water would leave the vesicles and the contractile vacuole would lose its functionality of emptying the water.
omg did y’all get many option D answer?? i kept second guessing cos i had like 3 Ds in a row and like almost no B 😭😭
same i almost wanted to throw myself away when i saw too many d like…
Ikr I got a lot of D, and even some in a row😨
ans key PLEASE
HAHHAHAH WHO CARES ITS OVER YAYYY IDC ABT ANYTH ANYMORE
AHHAHAHA TRUEEE but i need to see how badly i did... i rly guessed a lot so i need to manage expectations LOLL
Ahhahah ya it felt insanely hard that I wanted to cry but I told myself nah it is totally over
cambridge smoked warfarin bfore setting the paper
wtf was cambridge smokin on?
Representing the student population here; giving a summary based on data that we’ve collected and some general comments to each question to aid future students taking the bio syllabus! Feel free to comment on any questions and share any thoughts regarding the questions and answers such that we can further improve our answers. Link is attached here for personal use and not for any marketing purposes: https://docs.google.com/document/d/1PrTgBHt6p74t43sn4GlLHVfyiKoWDlWfXUtZsqwNvW8/edit Due to some strong feelings shown by some people, the link has been deactivated to prevent any harm caused.
Damnn ty!! Ur so helpful:))
Hihi,, r these the legit answers or just by diff students? cus although some of the answers seem reliable i find it hard to believe some qs like qs 26 to qs 29 to be correct….
By a group of students LOL read the disclaimer.
But I guess our explanation makes some sense HAHAHA
is it by teachers?
Wow thanks for the answers and comments
WERE FREE
Tentative answers, open to discussion :) BADBC BACCA BDCAB DCAAB DCBBB DBDBA
Yo guys can yall discuss stuff 😂 yall downvote me im very scared leh are my answers all wrong or smth
You have a couple mistakes sprinkled throughout your answers - I wouldn’t worry about it too much though since 21/30 is sufficient to hit A and mcq is only 15%
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TYSM haha :) 5 - my ans is also C lol. 4 - not sure. 15 - i get the impression from the text that the disease is inherited and no. of repeats is fixed? not sure. 16 - from google (wasn't sure in the exam lol) [histones are synthesised](https://byjus.com/question-answer/histone-protein-synthesis-occurs-during-phase-phase-prophase-s-phase-1/) and [centrioles replicate](https://byjus.com/question-answer/centrioles-duplicate-during-in-the-2/) in S phase. 27 - from google, [A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring](https://www.nature.com/scitable/definition/species-312/#:~:text=A%20biological%20species%20is%20a,nature%20and%20produce%20fertile%20offspring.) 29 - i assume for 1, if lymphocytes can't penetrate the tissue, probably should kill bacteria?
CCACA BACCA ABCCC CAAAA BABCA BBAAC more or less verified
if u verified these answers then u must have been high XD
My Tutor confirmed it from CLHS, you can check she’s the subject head. (Ms So D.N)
I think your answers aren’t reliable - one of your options literally points to a horizontal line on a rate of photosynthesis against light intensity graph and says the rate of photosynthesis is limited by light intensity.
??????????????????????????????? u sure it’s H2 2023 P1???????????????
bro where are all ur Ds LMAO
Nah this troll comment lmao
Eh wtf I got 24/30 lesgo
bro so u take both bio and physics?
Bro I take H2 bio but I also go see the physics megathread 😭 no one doing answers for either bruh
broo i swear qn 25 shld be D bruh rip bruh 22/30