Answer:
A planet
Explanation:
It would be a planet or a gas giant
The DNA is wrapped tightly around the histone core.
Answer:
The correct answer is a. sympathetic nervous system.
Explanation:
The sympathetic nervous system involves the rapid involuntary response called fight and flight response during stress conditions. In a stressful condition, our body parts give signals to the hypothalamus which stimulates the sympathetic nervous system of the body.
The activated sympathetic nervous system then stimulates the release of a hormone called adrenalin and nor-epinephrine from the adrenal gland. These stress hormone together with neural activity give rise to fight and flight response.
During this response our mind becomes alter, breathing becomes deep, heart rate becomes high, pupil diabetes, and excess sweating occurs. Therefore the correct answer is a.
Answer:
The significance of science to mankind include helping humans solve basic problems. Science helped explain happenings and also brought about a lot of innovations in the world. This helped in making life easier for humans.
Science also helped in the reduction of mortality rate through researches on pathogenic microorganisms and discovery of drugs which helped improve health care delivery.