Answer:
The correct statement is
Option D. Plants use light energy to produce food molecules during photosynthesis and obtain cellular energy from the bonds of these food molecules during cellular respiration.
Explanation:
Photosynthesis is food producing process in which food is produced by plants in the presence of sunlight while respiration is energy releasing process in which energy is released due to the breakdown of glucose molecules.
The chemical reactions that absorb energy are called endothermic reactions. These reactions absorb more energy than they release. From the given options endothermic reactions are: respiration in cells, photosynthesis, activating a cod pack
The chemical reactions that release energy are called an exothermic reactions: producing electric current, burning a candle, baking bread.
Prothrombin time will be prolonged due to deterioration of factor V.
Explanation:
Prothrombin time (PT) assess the function of the blood clotting factors which include – vitamin K and factors I, II V, VII and X.
The PT will be longer than the standardized international normalized ratio (INR) if under any blood-thinning medications, absence or deterioration of blood clotting factors, or any inhibitors which inhibit the clotting factors.
While conducting a PT test, the blood sample is taken in a small test tube containing sodium citrate. The sodium citrate is an anticoagulant which will prevent coagulation.
The sample tube should be filled with the blood collected and the tube should also be inverted frequently to prevent any coagulation. The specimen collecting tube with sodium citrate is usually marked with a light blue color.
Sodium citrate is used as the anticoagulant because it keeps the specimen stable with the help of its calcium chelating properties. However, at room temperature the specimen can be stable for about four hours.
Prolonged h and hours will deteriorate the coagulation factor V because the pH of the citrate solution is high mostly above 8.0 and hence prolonging the specimen in it will deteriorate the labile factor V
A possible consequence of habitat destruction is less biodiversity. The variety of life forms that reside in a habitat are highly dependent upon that particular environment. Often, when a habitat is destroyed the life within is destroyed as well, or at the vary least has difficulty finding a new habitat and may have to adapt themselves in ways that make them similar to the life that already exists in the new habitat, leading to less biodiversity.
Answer:
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