Answer: Here is the complete sentence: An advantage of a ................................ is that the complete system HAVE SPECIALIZED REGIONS THAT PERFORM SPECIALIZED FUNCTIONS.
Explanation:
The digestive system is a set of organs that work together to break down food molecules into the forms that the body cells can absorb and use. The gastrovascular cavity is an organ of digestion and circulation in some primitive living organisms. Gastrovascular cavity is an unspeciallized organ with two openings, one of the opening is the mouth while the other one is the anus, through which wastes pass out of the body.
The major advantage of complete digestive system over gastrovascular cavity is that the digestive system comprise of specialized organs which perform specialized functions. For instance, the stomach is a specialized organ that is responsible for churning of food during digestion, it also perform other specialized functions.
Answer:
A) XX
Explanation:
Each human cell is diploid (2n) and possesses 23 pairs of chromosomes. Out of 23 pairs, 22 pairs are autosomes and 1 pair is sex chromosomes. Sex chromosomes are designated by alphabet X and Y. In human females, each cell has two XX chromosomes, whereas males have one X and one Y sex chromosome.
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you need the organisms in order to get help on this
In normal cells<span>, the </span>cell cycle<span> is controlled by a complex series of signaling pathways by which a </span>cell<span> grows, replicates its DNA and divides. ... In </span>cancer<span>, as a result of genetic mutations, this regulatory process malfunctions, resulting in uncontrolled </span>cell proliferation. <span>Conclusion. </span>Cancer<span> is unchecked </span>cell<span> growth. Mutations in genes can cause </span>cancer <span>by accelerating </span>cell division<span> rates or inhibiting normal controls on the system, such as </span>cell<span> cycle arrest or programmed </span>cell<span> death. As a mass of cancerous </span>cells<span> grows, it can develop into a tumor.</span>