Search found 5 matches
Search found 5 matches • Page 1 of 1
I'd have to agree that a plate dilution is very helpful. You can get a good idea of how many becteria per m/l you have and then relate that to a 1:1 dilution for your OD, makes for a great standard curve.
- Wed Nov 21, 2007 8:25 pm
- Forum: Cell Biology
- Topic: Which is the correct option
- Replies: 8
- Views: 4769
Hmmm. I know ATP is required to move a substance against the concentration gradient. I know it isn't necessary for the movement of substances down the concentration gradient. My question is "What does your book mean by along?" If it means moving a substance from one place to another withou...
- Wed Nov 21, 2007 4:06 am
- Forum: Evolution
- Topic: Another creationist thread
- Replies: 43
- Views: 61002
Okay, why on earth do you assume that negative mutations absolutely must be evident in the fossil record to support their existence? Think about this: maybe you were born with a genetic heart defect due to a mutation that caused your death at a young age and you were buried in prime conditions for f...