Edexcel AS Biology Unit 3B (alternative to practical)

The exam is reaallyy close :s-smilie:

... I need to know ASAP:

- How do we need to study for this paper??? are the core practicals the only thing, or is there something else??

- Can someone say what are all the practicals we need to know?

- Any notes / exercises will be highly appreciated.

Need ASAP reply !!!!
Thankss.
:smile:

Reply 1

thecooliodudio

- Only need to know core practicals. there are two questions: 1 & 2. 1 is about a practical, 2 is like comprehension

-Practicals:

Daphnia Experiment
Vitamin C experiment
Cell membrane permeability (beetroot)
Enzyme Concentration
Root Tip Squash (mitosis)
Totipotency in plant tissue
Strength of plant fibres
Plant mineral defficiencies
Antimicrobial properties of plants

read this its quite good
http://www.scribd.com/doc/30733651/List-of-Core-Practicals-for-Edexcel-Biology-as-Exam-2010

you need to know about each practical's method, know about factors to control, independent and dependent variables, ethical factors etc etc :smile:

Good luck!