Lipids don't dissolve in water because of the different polarities. Water is polar and lipids are not polar which is why they don't dissolve. What this means is that they don't bond and don't share electrons and therefore don't mix.
<span>Fungi provide key nutrients to the plant; the plant provides photosynthetic products.</span>
Answer:
A. Neurotransmitters and depression
Explanation:
The complete question is :
A biological psychologist would be most interested in conducting research on the relationship between:
A. neurotransmitters and depression.
B. skull shape and bone density.
C. self-esteem and popularity.
D. genetics and eye color.
- A biological psychologist is a person who is interested in studying the behavior of human beings and tries to understand the psychological causes underlying the behavior along with the various genetic and chemical factors that affect the behavior.
- It is believed that the genetics and the chemical factors of the brain together affect the psychology of a person and ultimately affect the behavior.
- Thus, they establish a link between the physiological processes and the psychology of a person.
- Therefore, in case a person is suffering from depression which is a psychological problem a biological psychologist would try and understand the chemical changes in the brain and thus would study the neurotransmitters.
Ethics in science involves making (or rather abandoning) decisions which go against one's morals - so if scientists don't feel comfortable doing something because they feel it is wrong, it means there is ethics involved. Here are some of the issues where ethics is present:
1. animal testing - whether or not products should be tested on animals first
2. stem cell research - has to do with research on human embryos
Answer:
Newton's first law of motion states that there must be a cause which is a net external force for there to be any change in velocity, either a change in magnitude or direction.