Search found 259 matches

by biology_06er
Wed Apr 05, 2006 7:19 am
Forum: Genetics
Topic: DNA extraction
Replies: 2
Views: 2031

Thanks for comment
by biology_06er
Mon Apr 03, 2006 2:42 am
Forum: Genetics
Topic: DNA extraction
Replies: 2
Views: 2031

DNA extraction

Hi Could someone please help me out with these questions? 1)Once the DNA has been extracted from an organism (i.e. a plant) why is it neccessary to use the polymerase chain reaction (PCR) before you can detect the gene on an electrophoresis gel? 2)Describe the pattern of DNA fragments on an electrop...
by biology_06er
Mon Mar 27, 2006 5:20 am
Forum: Human Biology
Topic: embryo
Replies: 1
Views: 2223

embryo

could someone please help me with this question ...Which of the following structures is/are paired in your embryo model?,,,,(we make a model of an embryo in an upcoming lab..so I guess this refers to "real life") 1)Allantois 2)Pharyngeal pouch 3)Hindbrain 4)Aortic arch 5)Common cardinal ve...
by biology_06er
Sun Mar 26, 2006 8:43 pm
Forum: General Discussion
Topic: General Cell
Replies: 2
Views: 1851

[quote="PS: I am not even a uni student, i'm in high school :p[/quote] braaainy...However maybe if I had taken bio in High school at least some of the info. the lectuer gives might be familiar but noooo. oh how I regret not taking bio. Anyway thank you for your prompt reply..much appreciated bi...
by biology_06er
Sun Mar 26, 2006 8:30 pm
Forum: General Discussion
Topic: General Cell
Replies: 2
Views: 1851

General Cell

Hi This is probably gonna sound like a dumb question but I'll justify myself by saying I'm a first year uni student who has never taken biology before and just finished high school last year ...so my question You know how humans/animals/plants are all made up of millions of cells well when we talk a...
by biology_06er
Wed Mar 22, 2006 6:18 am
Forum: Molecular Biology
Topic: B-galactosidase
Replies: 2
Views: 1766

Ok sorry about that...Thanks for the reply
by biology_06er
Tue Mar 21, 2006 9:36 am
Forum: Molecular Biology
Topic: B-galactosidase
Replies: 2
Views: 1766

B-galactosidase

Hi Cld sum1 pls explain why a bacterial cell wld not need to produce an enzyme like B-galactosidase all the time?..does it have sumthing to do with a bacterium making glucose so wld utalise that b4 making B-galactosidase as B-galactosidase is only produced if a beta nutrient is not available Thanks ...