Edexcel Biology A Paper 2 - 16th June 2023 [Exam Chat]

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I got 9 I’m sure?

Original post by mia.gmia

whats the answer to the gm abt the genotype for the disease from the diagram, the mcq one ?

incrediblejpw04

Original post by durio.249

I got 9 I’m sure?

i put 10

Original post by incrediblejpw04

i put 10

It’s 9 because that one female, she could be RR or Rr

Original post by Sarah__xxx

It’s 9 because that one female, she could be RR or Rr

yes!

OP

Guys how many marks was the myosin question?

Original post by Anonymous744

Guys how many marks was the myosin question?

Which one? The one about muscle contraction and mitochondria was 3 marks

Original post by ay_r445

that HAD to be a mistake??? bc how can alcohol decrease the risk

I was thinking something along the lines of alcohol decreases blood pressure cause it basically tells your heart to slow down and vibe so that could have been why

RashmikaSinghRoy

I don't know about you guys, but my teachers rushed through the content

OP

What do you guys think grade boundaries are saying?

Original post by Anonymous744

What do you guys think grade boundaries are saying?

Higher than 2021/22 but i think slightly lower than pre-pandemic.

OP

What was the role of ATP in neurone transmission?

OP

What was the effect of low platelet concentration?

OP

Why did the person still inherit the recessive condition

OP

What is the definition of operon

Original post by Anonymous744

What was the effect of low platelet concentration?

Think it was to do with reacting with collagen more slowly - therefore taking longer to form a platelet plug. Slower release of Thromboplastin etc.. Takes longer for clot to form.

Original post by Anonymous744

What was the role of ATP in neurone transmission?

i put that for the voltage-gated ion channels open using atp. i don't know if it is right though

Original post by KillSwitch12

Think it was to do with reacting with collagen more slowly - therefore taking longer to form a platelet plug. Slower release of Thromboplastin etc.. Takes longer for clot to form.

Collagen? It’s fibrin that forms the mesh isn’t it? Or am I remembering wrong?

Original post by Sarah__xxx

Collagen? It’s fibrin that forms the mesh isn’t it? Or am I remembering wrong?

i was thinking fibrin too

incrediblejpw04

Original post by Sarah__xxx

It’s 9 because that one female, she could be RR or Rr

surely though if she was RR the all other offspring would have the disease.
would be 10 because all the black boxes could only ever be Rr

OP

Original post by incrediblejpw04

surely though if she was RR the all other offspring would have the disease.
would be 10 because all the black boxes could only ever be Rr

That makes sense

(edited 10 months ago)

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