Summary Mark Scheme Notes for Topic 1 - Cell structure (incl. Microscopy) (CIE 9700 A Level Biology/AS Level Biology)
0 purchase
Course
Unit 1 - A Cell Structure (9700)
Institution
CIE
Looking for CIE A Level Biology notes? These Cell Structure and Microscopy notes are compiled directly from CIE 9700 AS Level Biology mark schemes. With every single specification point labelled and covered, simply memorising these notes guarantees you will get top marks (A*) on the day. These poin...
NOTES: Italics indicates NOT from the mark scheme (often means no
mark schemes relating to the spec point). These are taken instead
from the CIE A Level textbook, which occasionally includes extra
detail to help my own understanding. All others are directly copied
from CIE 9700 mark schemes.
Mark scheme abbreviations: I = ignore, A = accept, R = reject. A
semi-colon “;” separates marking points, which are sometimes
numbered. “AVP” = any valid point. See the start of any mark
scheme for full abbreviations.
1. Cell Structure (incl. Microscopy)
Nucleolus + nuclear envelope:
1 two membranes forming, nuclear envelope ;
A nuclear envelope is composed of a double membrane
2 nuclear pores too small to allow DNA to, pass through / escape ;
3 AVP ;
prevents DNA from being broken down (by enzymes)
I DNA damage by enzymes
protects DNA from hydrolytic enzymes
nuclear envelope is a barrier, between nucleus and, cytoplasm
Golgi:
Structure:
flattened sacs / cisternae ;
stack / layered / described ;
idea that each cisterna in stack is, separate / not interconnected ;
smooth (outer surface) / no ribosomes ;
close to, nucleus / RER ; single membrane ;
ref. to swollen ends to cisternae
Function:
modification of protein / glycosylation / described modification of
lipid
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 or Stuvia-credit 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 chengy543. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.64. You're not tied to anything after your purchase.
NURS 3366 University Of Texas - Arlington -Patho exam 1 Nurs 3366 UTA Questions With Complete Solutions
Summary ·
(13)
Beroepsprestatie 2.1 EXCLUSIEF mindmap en folder!! (zie bundel)
Exam (elaborations) ·
(0)
MBE Multistate Bar Examination 2025 Practice Exam Review Questions and Answers | 100% Pass | Graded +
Exam (elaborations) ·
(0)
Fs - Rbs Test Review Questions And Answerss 2023-2024
Exam (elaborations) ·
(0)
Exam (elaborations) NURSING 112 Chapter 18: Safe Lifting, Moving, and Positioning of Patients Williams: deWit's Fundamental Concepts and Skills for Nursing, 5th Edition MULTIPLE CHOICE
Exam (elaborations) ·
(1)
AHA PALS PRACTICE EXAM WITH VERIFIED QUESTIONS AND CORRECT ANSWERS LATEST UPDATE 2023-2024 GRADED A GUARANTEED PASS
Summary ·
(0)
Vaardig met informatie
Exam (elaborations) ·
(0)
NR 503 epi final with answers (100% Correct)
Exam (elaborations) ·
(0)
NURS-5366 Module 5 Quiz PRINCIPLES OF RESEARCH IN NURSING; Questions and Answers 2024-2025 (GRADED)