Fish and seafood or marine sources are the highest food source of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Among the marine sources, fish such as salmon, herring, mackerel and anchovy have the highest content of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
<em>-DHA/EPA OMEGA-3 INSTITUTE
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Answer: option D - Four abnormal gametes
Explanation:
Nondisjunction occurs in the Anaphase phase of Meiosis I. It happens that at least ONE pair of homologous chromosomes FAIL to separate, resulting in two daughter cells having an EXTRA copy of one chromosome (e.g XXY) and two cells that are missing that chromosome (e.g XO).
Thus, Nondisjunction results in Four (4) abnormal gametes
Answer: The correct option is (the region of an enzyme that attaches to a substrate).
Explanation:
The anabolic and catabolic processes in a cell are directed and regulated by enzymes. An enzyme has the ability to speed up a metabolic reaction by lowering the amount of energy needed to start the reaction. Without enzymes, these processes would be extremely slow. They also arrange the reacting molecules in a manner that will cause the chemical change to take place rapidly. It does so through the following steps:
--> molecules of substrate combine with the enzyme at its active site.
--> the substrate molecules combine with enzyme molecules for a short time, forming an enzyme-substrate complex.
--> New substance ( product) is formed which leaves the active site of the enzyme thereby making it free for another reaction to take place.
In conclusion, the ACTIVE SITE of an enzyme is the region of an enzyme that attaches to a substrate allowing chemical reaction to take place.
Answer:
d. cells can neither be created or destroyed
First two statements were given by Schleiden and Schwann and the the third statement was given by Virchow.
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