I think TRUE
Humans alteration of the global environment has triggered the sixth major extinction event in the history of life and caused widespread changes in the global distribution of organisms.
Avian influenza A (bird flu) viruses that can be present in an individual or in pig at the same time
Avian influenza or the bird flu refers to the disease which caused by the infection with avian (bird) influenza (flu) Type A viruses. These viruses was naturally spread among the wild aquatic birds the worldwide and can be infect domestic poultry and other bird and some animal species. the new poultry outbreaks in the Wisconsin, Michigan, Minnesota, the Iowa, and the Montana, as well as the more positive tests in the wild birds. And the World Health Organization (WHO) provided updates on the human avian flu that cases in Colorado and in China
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Answer:
Cells with similar structures and a common purpose that are organized form a tissue (option D).
Explanation:
Biological tissues are structures originated by the grouping of differentiated cells, which are organized and distributed in such a way that they can fulfill a function in a coordinated way. A characteristic of tissues is that all the cells that constitute them have the same embryonic origin.
An example of a tissue is nervous tissue, formed by neurons, specialized cells that when united form it and fulfill the same function.
The functions of cells are mainly multiplication, development and differentiation, in addition to their ability to group together to form tissues.
The other options are not correct because:
<em>A. </em><u><em>Organs</em></u><em> are formed from differentiated tissue.</em>
<em> B and C. </em><em><u>Digestion and circulation</u></em><em> are functions that depend on the organs of the digestive and circulatory systems, respectively.</em>
Answer:
The correct answer is - A covalent bond between a phosphate group and two 5-carbon ring carbohydrates over two ester bonds.
Explanation:
A bond between a 5 carbon sugar and a phosphate group makes the sugar-phosphate-sugar backbone in nucleic acids. A diester bond links two different nucleotides together to form a polynucleotide.
These are the strong covalent bonds that links a 3' carbon atom of one sugar molecule and the 5' carbon atom of another in deoxyribose sugar in DNA and ribose sugar in RNA.
