Flashcards
AQA A-Level Biology Required Practical 3: Production of a dilution series to identify the water potential of plant tissue Exam Style Questions
[Show more]
Preview 3 out of 15 Flashcards
What is the purpose of calibration curves?
What is the purpose of calibration curves?
They are used to determine the concentration of an unknown sample by comparing it to a set of standard values with known concentrations
Why is the percentage change used rather than the actual change in mass?
Why is the percentage change used rather than the actual change in mass?
- Potato chips may not all have same starting mass.
- Percentage change allows comparison.
Explain the change in mass in the potato chips
Explain the change in mass in the potato chips
- The potato chips with concentration lower than the sucrose solution (higher water potential) lose mass as there is a net movement of water out of the cells.
- The potato chips with concentration higher than the sucrose solution (lower water potential) gain mass as there is a net movement of water into the cells
Flip
The benefits of buying summaries with Stuvia:
Created by fellow students, verified by reviews
Quality you can trust: written by students who passed their exams and reviewed by others who've used these revision notes.
Didn't get what you expected? Choose another document
No problem! You can straightaway pick a different document that better suits what you're after.
Pay as you like, start learning straight away
No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.
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 sankalpsoundararajan. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £0.00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
46231 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 15 years now
Recently viewed by you
Exam (elaborations) ·
WGU C190 Intro to Biology easy to follow Study Guide (LATEST 2025) Comprehensive Q&A | 100% Correct | the Ultimate Guide for Yr. 2026/2027
Exam (elaborations) ·
Test Bank for Essentials for Nursing Practice 9th Edition (Potter 2023) All Chapters A+
Summary ·
ECON 1B Chapter 1-4, 6-8 Review
Exam (elaborations) ·
HESI Remediation - Psychiatric/Mental Health NEWEST 2025/2026 ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
Exam (elaborations) ·
NM703 DERM EXAM QUESTIONS AND ANSWERS 2025/2026
Summary ·
Uitgebreide samenvatting 'De Factor Arbeid' H1 t/m H12
Exam (elaborations) ·
NURS 5433 FINAL EXAM LATEST 2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+
Exam (elaborations) ·
Solution Manual for Personal Financial Planning 15th Edition by Randy Billingsley, Lawrence J. Gitman, Michael D. Joehnk
