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Just know everything there is to know in the HSC Biology syllabus. Forget anything that is not relevant.

The only way they can pull your assessment mark down is by you not coming first in your class int he final HSC exam. If you also top the HSC exam in biology at your school, then your exam mark will also become your assessment mark. e.g. if you came first with a HSC exam mark of 92, and is ranked...

Don't forget you need to use a buffer to run the gel. You can just have a slab of agarose gel and put your sample into the well. You need a buffer suspension, allowing ions to run through the gel.

Hi all. I know the HSC Exams are coming soon so I wish you all the best, especially for the Biology Exam. Study hard everyone! I look forward hearing from your great results. Survivor39 Moderator

Hi all. I know the HSC Exams are coming soon so I wish you all the best, especially for the Society and Culture Exam. Study hard everyone! We look forward hearing from your great results. Survivor39 Mishka Moderators

Originality comes from how you plan and execute your research, not whether your topic is original or not. Every year I get students asking me this question over and over again, but really, the way you carry out, write and construct your PIP is how you show your originality. And this is what the...

There are notes here http://community.boredofstudies.org/26/society-culture/22075/notes-continuity-change.html and in the main website www.boredofstudies.org under the resource section.

You can transfuse WBC. You probably transfuse these cells to immunocompromised individuals anyway, so they don't really have a functional immune system in the first place to "reject" these foreign cells. Hopefully you get what I mean.

Your second year will be Session 2 2007. But of course, you can do second year subjects in session 1 2007 if you have done the prereqs.

I am not sure whether the EAS scheme still exsit. The disadvantage scheme, where people who are in ESL, or have financial reasons can apply for the EAS thing. You don't actually get bonous 5 UAI marks on your UAI, but when you apply for various university courses, if your UAI is less than that...

Antibodies can bind onto bacterial surface and help phagocyte to engulf the bacteria. This process is called opsonisation, which just means the antibody make the bacteria more "tasty" to the phagocytes. But this process is not always neccessary. :P Hint: what helps bacteria to survive...

Pathogens can be anything, including bacteria, viruses, fungi, and protoza. As long as they causes disease, they are termed "pathogens". Viruses can be cultured. Size isn't really an issue when you try to culture something.

Transposons are commonly associated with eukaryotes, like human cells, but not in prokaryotes (bacteria and archaea).

You are on the right track. But why don't they help kill viruses?

Yes they do. You are correct lil_georgi_gal. The T cells have surface structures known as Major Histocompatibility Complex (MHC). These MHCs are responsible to "present" foreign peptide to the B cell receptor. Subquently, the B cell gets activated and clonal expansion occurs to generate many...

Dr Doom and .ben, I am surprised that neither of you have answered my "Challenge Questions" posted in the "To Affinity & Beyond" forum. Come on! I'm sure you know them.

The latter one doesn't sound right. I think you meant "stem cells taken out of the blastocyst", right? How can you take out stem cells in the human body, and fix those few cells and insert them back into a body and expect those cells to work in the context of the entire organ/body? Remember...

Hi Cade. I agree most of the information there. There are a few things you need to take note of: 1. I'm sure some textbook would tell you supressor T cell exit. In the last 30 year there has been a major debate over the existance of these supressor T cells, and we don't knwo whether they...

Yes it is a valid example.

The Search for Better Health Challenge Question 4 T and B cells are an important component of the immune system. Question 1 (Difficult: 8/10) Killer T cell is more important in killing viruses than B cells. Why? Question 2 (Difficulty: 9/10) Is B cells useful in the fight...