<span>One process wherein diffusion is important is the concentration of salt within a cell. When the salt levels are too high within the cell, salt molecules are moving via diffusion to a region of lower concentration. Another process is the movement of carbon dioxide in plant cells, where CO2 moves from regions of high concentration to regions of low concentration.</span>
<span>This is avoidance conditioning. Brenda has been able to successfully link the over-the-counter heartburn medicine to an avoidance of discomfort. By taking the pill, she has received a negative reinforcement due to the removal of the indigestion. The reinforcement will likely lead to Brenda continuing to take the medicine until she habituates to it and does not receive the same benefit(s).</span>
Answer:
A few of the positive particles aimed at a gold foil.
The answer is; C
Use the Hardy Weinberg equiation for population in assumed equilibrium. ( p+q = 1)
If p = 0.3 then q=1-p = 1-0.3 = 0.7
People who are heterozygous for the disease are represented by 2pq = 2 * 0.3 * 0.7
0.42
