This is an example of; evolution
Evolution is a gradual process in which the characteristics of a species are changed in response to its environment over several generations. Evolution depends on the process of natural selection. Some of the changed characteristics (traits) may be beneficial to the organism and it can be transferred to their offspring.
<span>Muscles receives signal from the nerves which causes them to contract and relax. If our nerve is damaged then we can't send or receive signals from it so you can lose sensory and motor functions.</span>
The brown fat has iron in its mitochondria that will facilitate production of a protein that releases the energy generated from metabolism as heat.
Your body produces the hormone norepinephrine when it becomes cold. Norepinephrine receptors are present in brown fat. These receptors alert the many mitochondria to begin producing energy when they detect the hormone. You will feel warm as a result, which will aid in regulating your body temperature. It basically produces proteins that releases the energy generated from metabolism as heat.
Brown fat converts fat molecules and blood sugar (glucose) into heat and contributes to the regulation of body temperature. Brown fat is activated by cold temperatures, which causes a number of metabolic changes in the body. But the majority of our fat is white fat, which can store extra energy. In obesity, too much white fat accumulates.
To know more about brown fats, refer to the following link:
brainly.com/question/22668601
#SPJ4
Answer:
① There are many test methods: many kinds of NMR test methods, including one-dimensional and two-dimensional, have been widely used in structural analysis and material identification; quantitative analysis is no longer limited to 1H NMR experiment, and quantitative analysis of heteronuclear and even two-dimensional NMR appears frequently;
② There are many calibration targets: most compounds have multiple sets of NMR lines, which can be used as calibration targets for quantitative analysis theoretically, which undoubtedly provides convenience for the processing of test data;
③ There are many types of quantitative information: in the literature reports, not only the integral area or intensity of the resonance spectral line is used as the data parameter of NMR quantitative analysis, but also the change value of chemical displacement under specific conditions can be used as the parameter of content determination;
④ There are many reference modes: nuclear magnetic resonance obtains the data information of quantitative analysis through direct comparison of signals. In the experiment, multiple modes such as internal standard, external standard, solvent calibration and physical calibration can be used to provide reference signals. In the determination of relative content, the mode of sample self-standard can also be used.
In a word, NMR is a mature analytical and testing method with distinct technical characteristics, multiple means, flexible methods and rich information, which has a strong competitiveness in drug analysis and identification.
Explanation:
http://www.creative-biostructure.com/nmr-services_28.htm
