Biology AQA New spec AS-level specimen paper 7401/1

Hey guys... does anyone know how to do this question from the specimen Paper 2 (see attached)?? the answer is 78-81%, but I am not sure how to work it out...any help would really be appreciated! :smile:

stuck on question 04.2.docx224.8KB

Reply 161

SANTR

8

Does anyone know what exactly is meant by 'mass transport'?

Reply 162

chemo1234

6

Original post by SANTR

Does anyone know what exactly is meant by 'mass transport'?

Mass flow is the flow of sugar from the source to the sink down a pressure gradient

Reply 163

rosemondtan

10

Original post by SANTR

Does anyone know what exactly is meant by 'mass transport'?

There are lots of mass transport systems if I'm not wrong. Transportation of sucrose is one, the circulatory system is one and so is gas exchange.

Reply 164

AstridElise

2

Original post by OneandOnly123

made a thread for the specimen set 2 paper check it out.

I can't find the thread would you mind please sending me the set 2 specimen papers

Reply 165

AstridElise

2

Original post by Zainab14

Whatttt??!! Ive never been taught about nodes or electrical impluses of the heart..is it on the specification?? :eek:

Posted from TSR Mobile

they're not on the spec

Reply 166

JustWondering98

7

I see, yeah that makes sense...thank you! :biggrin:

Yeahh, I agree! :')

Original post by OneandOnly123

HELLO people, good luck for revision and for the exams, i am really bad at answering the application and analysis questions they are so difficult and hard to explain to get the full marks, can someone please help me or give me some tips on what to do , would really appreciate some help. also i hv the set 2 papers for the specimen which is not available to the public, so whoever wants it holler, safe out.

Could i have set 2 paper 2 and mark scheme please

Reply 169

The Panic Queen

6

Original post by OneandOnly123

HELLO people, good luck for revision and for the exams, i am really bad at answering the application and analysis questions they are so difficult and hard to explain to get the full marks, can someone please help me or give me some tips on what to do , would really appreciate some help. also i hv the set 2 papers for the specimen which is not available to the public, so whoever wants it holler, safe out.

Could I have a copy of the paper and mark scheme please (paper 2)? :smile:

(edited 7 years ago)

Reply 170

Kessycat

Original post by OneandOnly123

HELLO people, good luck for revision and for the exams, i am really bad at answering the application and analysis questions they are so difficult and hard to explain to get the full marks, can someone please help me or give me some tips on what to do , would really appreciate some help. also i hv the set 2 papers for the specimen which is not available to the public, so whoever wants it holler, safe out.

Hi could you please send me the answers for the set 2 papers? Thanksss

Reply 171

Samera11199

2

Original post by sdd_98

good luck to you too! is it okay if i can have the papers please?

can you send it to me too
thanks

Reply 172

Foolishdreamer

3

Original post by OneandOnly123

HELLO people, good luck for revision and for the exams, i am really bad at answering the application and analysis questions they are so difficult and hard to explain to get the full marks, can someone please help me or give me some tips on what to do , would really appreciate some help. also i hv the set 2 papers for the specimen which is not available to the public, so whoever wants it holler, safe out.

Hiya,
If you could please send me the specimen paper along with the mark scheme it would be greatly appreciated!

Reply 173

Hkhannnnn

Can someone inbox me the biology set 2 papers please

Reply 174

Will_Evans

1

Can someone inbox me the biology set 2 paper 1 please?

Reply 175

Bret123

1

Can you please inbox me them would hugely appreciate it for revision. Thank you!

Original post by sdd_98

good luck to you too! is it okay if i can have the papers please?

Reply 176

Bret123

1

Original post by OneandOnly123

HELLO people, good luck for revision and for the exams, i am really bad at answering the application and analysis questions they are so difficult and hard to explain to get the full marks, can someone please help me or give me some tips on what to do , would really appreciate some help. also i hv the set 2 papers for the specimen which is not available to the public, so whoever wants it holler, safe out.