Genetic alteration refers to altering DNA sequence. Gene alteration forms genetically modified products that modifies the gene sequence. DNA consist of two long chains of nucleotides that are twisted and joined together in hydrogen bonds. These DNA cannot be altered in nature but gene expression can be altered.
Explanation:
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Vascular plants reproduce with seeds, nonvascular plants do not, therefore it is C.
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
This is true both vitamin c and zinc are important immunity boosters check out zycam or emergenC products and both these elements are in them to shorten colds
