Answer:
The answer is A
Explanation:
Took the test and got it right.
Answer:
This person was part of the control group
Explanation:
PET scan positron emission tomography is a special image test that can show how different tissues in the body is functioning or in the case of the brain reacting to stimuli.
In this case the cingulate cortex is the area of the brain linked to reactions involving pain or painful stimuli. If a person has undergone a painful procedure and was not given any relief this area will be activated and will be able to be detected on a PET scan. On the contrary, if one has received pain relief this will not be the case. So, an active cingulate cortex will be observed on a PET scan for a subject in pain.
Answer:
Plants are a source of food, fuel and medicine.
Explanation:
In biology, plants are photosynthetic living beings without locomotive capacity whose cell walls are mainly composed of cellulose.
The importance of plants for humans is indisputable. Without them we could not live, since the plants participated in the composition of the gases present in the Earth's atmosphere and in the ecosystems, and are the primary source of food for heterotrophic organisms. In addition, plants have direct importance to man: as a source of food; as building materials, firewood, fuel and paper; as ornamental; as substances that worsen or improve health and therefore have medical importance; and as a consequence of the latter, as the raw material of the pharmaceutical industry.
Answer:
Biochemistry or biological chemistry, is the study of chemical processes within and relating to living organisms. A sub - discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology and metabolism.
Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study biological phenomena. Biophysics covers all scales of biological organization, from molecular to organismic and populations.
