Biology Paper 1 Edexcel 2019

how did every one find the Exam???

thought it was easy until i came home and realised that you times by 1000 n not divide for converting measurements when getting smaller.

Reply 2

AxelB

5

Was that the magnification question where it gave you the micrograms to picograms as 1 to 1000?

Original post by kate_howard_1

thought it was easy until i came home and realised that you times by 1000 n not divide for converting measurements when getting smaller.

Reply 3

kate_howard_1

11

yeah, it should have been 6.5/50,000 which gives u an answer. Multiply it by 10 (i divided) then by 1000.

lens x?

can someone produce a mark scheme, what did you guys talk about for the 6 marker and what did you say about the optimum temp experiment

Reply 6

kate_howard_1

11

yeah i got that n it was concave.

Original post by RyanJA

lens x?

Reply 7

Snowwee

what was the beads one?

Reply 8

RyanJA

10

Original post by nicole123444xxx

can someone produce a mark scheme, what did you guys talk about for the 6 marker and what did you say about the optimum temp experiment

6 marker 1 i said that you can use condoms or get screened to see if you have any stis and that since 2010 there’s been rapid increase in men which leads to a greater rate of increase

6 marker 2 infilled in the punnet square and said there was 25% chance and that the o allele is recessive, a and b are both dominant

Reply 9

kate_howard_1

11

haha the gonorrhoea questions i put about like using a condom as a barrier to prevent spread of bodily fluids, femidoms, anti-bacterial wash. Then put that like it's vital it stops because it can cause super gonorrhoea if more people keep getting it.

Original post by nicole123444xxx

can someone produce a mark scheme, what did you guys talk about for the 6 marker and what did you say about the optimum temp experiment

Reply 10

kate_howard_1

11

forgot what the questions were lmao.

Original post by Snowwee

what was the beads one?

Reply 11

cats786

11

Original post by RyanJA

lens x?

I put that

Is this higher?

Multiple choice q
RNA polymerase
0.0083s-1
Oxygen and chlorophyll
Eukarya

Reply 14

HuManPerSon1234

7

That’s all I remember

Reply 15

kate_howard_1

11

the mitosis one i talked about how one produces 2 identical cells n the other produces 4 with genetic variation. Mitosis produces 2 diploid n other produces 4 haploid gametes. Mitosis is used for asexual n meiosis is for sexual.

Reply 16

Lella99x

3

What did you say for the last question

Reply 17

cats786

11

What about the first one which solution

Original post by HuManPerSon1234

Multiple choice q
RNA polymerase
0.0083s-1
Oxygen and chlorophyll
Eukarya

Reply 18

kate_howard_1

11

erm the impulse goes to the end of the neurone which causes neurotransmitters to be released. They diffuse (definition) across the gap and trigger an electrical impulse in the other neurone.

Original post by Lella99x

What did you say for the last question

Reply 19

Pri125

3

Oh ffs I forgot to mention about the cells being haploid and diploid

Original post by kate_howard_1

the mitosis one i talked about how one produces 2 identical cells n the other produces 4 with genetic variation. Mitosis produces 2 diploid n other produces 4 haploid gametes. Mitosis is used for asexual n meiosis is for sexual.

Biology Paper 1 Edexcel 2019

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