Answer:
Her eating behaviour can be explained by:
<em>b) Carbohydrates help increase levels of serotonin, which can have calming effects.</em>
Explanation:
Tryptophan is the precursor of serotonin. When Camila eats carbs her body generates and liberates insulin to the bloodstream, and it also stimulates amino acid absorption. In consequence, she now has large amounts of tryptophan in her blood that will help produce serotonin.
Serotonin helps Camila control her anxiety towards the upcoming test.
Answer:
B cellular respiration and photosynthesis
Explanation:
Photosynthesis and cellular respiration are both processes that are undergone by living cells.
In Biology, the law of conservation of energy states that energy can neither be created nor destroyed but only changed from one form to another i.e. transformation of energy.
Photosynthesis is a unique process carried out by the cells of plants and other autotophs in which they synthesize organic molecule (glucose) by combining carbondioxide (CO2) and water (H2O) in the presence of light from the sun. The process of photosynthesis transforms light energy from the sun to chemical energy stored in the bonds of the organic molecule produced.
Cellular respiration, on the other hand, is a process carried out by all living cells in order to obtain usable energy by the cell. Respiration breaks down food molecules to yield energy in form of ATP. The process of cellular respiration transforms chemical energy in food into heat energy released by cells after carrying out metabolic activities.
Hence, cellular respiration and photosynthesis are two activities carried out by living systems that illustrates the law of conservation of energy i.e. how uncreatable and undestroyable energy is transformed from one form to another.
The correct answer is the evolution of multicellular life. The evolution of multicellular was the most important event happened during the creation of the ozone layer. All of type of the organisms had evolved over time.
Answer:
A farmer’s crop failed to give a good yield due to the following reasons.
1) Nutrients are not sufficient for the crop or nutrients are present in very high amount in the soil which causes toxicity.
2) If proper irrigation is not applied to the field.
3) If the seeds are not of good quality, the yield is also reduced.
The right time to spray weedicides are 30 to 40 days after sowing.
Answer:
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