Exam (elaborations)
AQA A LEVEL BIOLOGY PAPER 1 2020 QP - Copy.docx
- Module
- AQA
- Institution
- Abacus College, Oxford
AQA A LEVEL BIOLOGY PAPER 1 2020 QP - C
[Show more]
Seller
Follow
Content preview
Please Iwrite Iclearly Iin Iblock Icapitals.Centre Candidate
Inumber Inumber
Surname
Forename(s)
Candidate ure
Isignat
A-level
BIOLOGY
Paper 1 I
Thursday 4 June 2020
I I I Morning Time allowed: 2 hours
I I I
Materials For IExaminer’s IUse
For Ithis Ipaper Iyou Imust Ihave:
Questio Mark
a Iruler Iwith Imillimetre Imeasurements
n
a Iscientific Icalculator.
1
Instructions 2
Use Iblack Iink Ior Iblack Iball-point Ipen. 3
Fill Iin Ithe Iboxes Iat Ithe Itop Iof Ithis Ipage. 4
Answer Iall Iquestions. 5
You Imust Ianswer Ithe Iquestions Iin Ithe Ispaces Iprovided. IDo
Inot Iwrite Ioutside Ithe Ibox Iaround Ieach Ipage Ior Ion Iblank
6
I pages. 7
If Iyou Ineed Iextra Ispace Ifor Iyour Ianswer(s), Iuse Ithe Ilined Ipages Iat 8
Ithe Iend Iof Ithis Ibook. I Write Ithe Iquestion Inumber Iagainst Iyour
9
Ianswer(s).
Show Iall Iyour Iworking. 10
Do Iall Irough Iwork Iin Ithis Ibook. ICross Ithrough Iany Iwork Iyou Ido TOTAL
Inot Iwant Ito Ibe Imarked.
Information
The Imarks Ifor Ithe Iquestions Iare Ishown Iin Ibrackets.
The Imaximum Imark Ifor Ithis Ipaper Iis I91.
*JUN207402101*
IB/M/Jun20/ 7402/1
E16
,*JUN207402101*
IB/M/Jun20/ 7402/1
E16
, 2
Do Inot
Iwrite
Answer Iall Iquestions Iin Ithe Ispaces box
Ioutside
Iprovided.
0 1 Figure I1 Ishows Ia Icell Ifrom Ithe Ilining Iof Ithe Iileum Ispecialised Ifor
Iabsorption Iof Iproducts Iof Idigestion.
SGLT1 Iis Ia Icarrier Iprotein Ifound Iin Ithe Icell-surface Imembrane Iof Ithis Icell, Iit
Itransports Iglucose Iand Isodium Iions I(Na ) Iinto Ithe Icell.
+
Figure I1
0 1 .1 The Iaction Iof Ithe Icarrier Iprotein IX Iin IFigure I1 Iis Ilinked Ito Ia Imembrane-
bound IATP Ihydrolase Ienzyme.
Explain Ithe Ifunction Iof Ithis IATP Ihydrolase.
[2 Imarks]
0 1 .2 The Imovement Iof INa+ Iout Iof Ithe Icell Iallows Ithe Iabsorption Iof
Iglucose Iinto Ithe Icell Ilining Ithe Iileum.
Explain Ihow.
[2 Imarks]
*02
IB/M/
* Jun20/7402/1
, 3
Do Inot
Iwrite
Ioutside Ithe
0 1 . I3 Describe Iand Iexplain Itwo Ifeatures Iyou Iwould Iexpect Ito Ifind Iin Ia Icell Ibox
Ispecialised Ifor Iabsorption.
[2 Imarks]
1I I I
2I I I
Question I1 Icontinues Ion Ithe Inext Ipage
Turn Iover I►
*03
IB/M/
* Jun20/7402/1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ZAVI. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now