A solution with a 0.9% concentration of salt is isotonic to red blood cells so the cells stay the same. Cells
shrivel in hypertonic solutions and swell and burst in hypotonic solutions.
In an experiment testing the effects of various concentrations of salt on red blood cells, which solution would
be predicted to cause the red blood cells to swell and burst?
0.05%
O
0.9%
1.0%
10.0%

Name the part of the the brain labeled "e".

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes