Other

Plant Hormone PAG

0 purchase

Module
Unit 5

Institution
OCR

Plant hormone PAG revision flashcards. OCR A: A level biology revision notes. Module 5: Communication, Homeostasis and Energy. A* biology student's notes. Summary of key content to be memorised. Process that needs to be memorised from specification.

[Show more]

Preview 1 out of 2 pages

View example

Uploaded on December 5, 2023
Number of pages 2
Written in 2023/2024
Type Other
Person Unknown

plant
hormone
pag
ethene
gibberellins
plant hormone pag
a level
biology
ocr a
homeostasis
communication
energy

Study Level A/AS Level
Examinator OCR
Subject Biology A
Unit Unit 5

£4.49

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

Hormone PAG (Effect of Gibberellins on Hormone PAG (Effect of Gibberellins on
Growth): Growth):
Control Variables:
5mm thickness of cotton wool in each
petri dish – should cover entire base.
Temperature kept constant for all.
Preventing contamination – use only
clean equipment for each concentration
of solution.
Humidity – keep humidity of room
constant – keep a lid on the petri dish –
the same volume of solution is to be
added if the cotton gets too dry (2cm3).
Species of plant – kept constant.
Hormone used – gibberellic acid.
Number of seeds per dish – 20.
Time intervals – all checked daily at
same time.
Light intensity – LED lamp at same
distance away & same wattage for all
dishes.
Independent variable:
Concentration of gibberellic acid – 0-
100 ppm – intervals of 0ppm, 20ppm,
40ppm, 60ppm, 80ppm & 100ppm.
Dependent Variable:
Germination of mustard seeds – count
number of seeds germinated each day.
Method:
Set up 6 concentrations of gibberellic
acid solution:
0ppm = 80cm3 of distilled water.
20ppm = 64cm3 distilled water & 16cm3
gibberellic acid.3
40ppm = 48cm3 distilled water & 32cm3

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 flcarr23. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £4.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69988 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

Start selling