Answer:It allows the red blood cell to contain more haemoglobin and, therefore, carry more oxygen molecules. It also allows the cell to have its distinctive bi-concave shape which aids diffusion. This shape would not be possible if the cell had a nucleus in the way.
Explanation:
An important similarity between a sub-lethal dose and a lethal dose is, they both produce adverse affect to which the dose is applied. However, they differ on the level of toxin or noxious substance causing adverse reaction. So, lethal dose causes an organism to die while in the sub-lethal, the dose is not quite enough to cause death.
Answer:
Being anorexic is when you are too underweight because you don't give your body the nutrition it needs
Explanation:
Answer:
Research participants preferred specific vacation destinations that they had simply imagined themselves experiencing. If the imagination process followed consumption of a drug that increased levels of <u>dopamine, </u>
Explanation:
Dopamine is a neurotransmitter that is related to pleasure, it influences decision making and it depends of chemeical reactions in the neurons.
This production of dopamine can be estimulated by drugs, since the production of dopamine brings pleasure, the preferences would be influenced by it.