Answer:
e) Arginine
Explanation:
The Urea Cycle -
Urea cycle also called the TCA cycle , takes place in the ureotelic organisms . It is the cycle of biochemical reactions which helps in the production of urea from ammonia .
The highly toxic ammonia produced is excreted out of the organism's body .
Now, in one of the biochemical reaction , an amino acid arginine is used and helps for the production of urea and ornithine as the products and this step occurs in the cytosol of the cell .
Your answer is D. <span>There are almost no similarities between the genetic code of these four organisms, and are placed into four different kingdoms.</span>
They have nothing in common.
It is determined by the,
size of Image / size of object
After a quick check, I can confirm that all of the answers stated in the question are correct.
As per questions one and two, Oxygen is drawn from the air by the lungs, a part of the respiratory system. The pulmonary veins then carry the oxygenated blood to the heart (these are the only veins to carry oxygenated blood), which is then pumped throughout the body through arteries. The path followed by the oxygen is:
- Oxygen is drawn into the lungs
- The Pulmonary artery takes blood to the lungs
- Hematosis occurs, transferring the oxygen to the blood
- The pulmonary veins take the oxygenated blood to the heart
- The aorta artery and its ramifications distribute the oxygenated blood throughout the body
In order to increase the amount of oxygen in times of greater need such as when exercising, the heart rate (pulse) and breathing rate increase to provide more oxygen, when an artery is blocked such is the case with Atherosclerosis, blood flow is reduced. Questions 3 and 4 are correct.
Lastly, a person's small intestine is lined with highly specialized cells whose function is to absorb the nutrients from the food we ingest. Damage to this lining would cause this organ to not be able to obtain the vitamins and nutrients needed for the human body. All answers are correct.
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The best answer is)
<span>It enables photosynthesis by facilitating primary growth of the plant.
The apical meristems are similar to stem cells in humans, and continue dividing indefinitely over the life of the plant. The cells are unspecialized, and only become specialized after being created. Apical meristems are the primary meristems, and constitute the primary growth of the plant, growing into organs such as leafs, flowers, and roots. </span>