Search found 5 matches

by Doctor G
Fri Jul 07, 2006 4:54 pm
Forum: Physiology
Topic: weight loss i need help!
Replies: 16
Views: 32505

Rather than tracking total body weight, it may be better to track body fat percentage instead as that reflects fat loss as opposed to fat and muscle loss. As noted, muscle is denser so if you're putting on muscle is unlikely that you'll see dramatic changes on the scale. Body fat percentage and/or j...
by Doctor G
Fri Jul 07, 2006 3:53 am
Forum: Cell Biology
Topic: Cellular respiration
Replies: 3
Views: 2396

Great explanation! The questions 'where is it come from' and 'where is it transferred', with respect to energy could be answered in different contexts. The energy generated by cellular respiration comes precisely from the transformation of substrates (fatty acids if oxygen is involved or glucose if ...
by Doctor G
Fri Jul 07, 2006 3:45 am
Forum: Cell Biology
Topic: lifespan of a cell
Replies: 2
Views: 1597

It depends on the type of cells. Red blood cells, for example, have a lifespan of what, 120 days? Adipocytes (fat cells) on the other hand have a much longer lifespan, in the order of months.
by Doctor G
Fri Jul 07, 2006 3:39 am
Forum: Microbiology
Topic: ecoli
Replies: 7
Views: 5356

There is indeed quite an active 'immune system' in the intestine but not necessarily involving a humoral response (i.e. antibodies). There are many immune cells in the intestine, including macrophages. The 'leaky gut' condition is one example of how active the immune system becomes once the tight ju...
by Doctor G
Fri Jul 07, 2006 3:31 am
Forum: Microbiology
Topic: Isolation of bacterial enzymes???
Replies: 2
Views: 1858

There is an old paper that may be of help:

Biochem J. 1984 Jul 15;221(2):505-12

It's suppose to work well with large amount of crude cell extracts.

I can e-mail the pdf file if you don't fine it.