Answer: Laws passed by Congress and State and local governments
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<u>Answer</u>: Ionic bond
<u>Explanation</u>:
- An ionic bond is a type of a chemical bond formed by the complete transfer of electrons from one atom to another atom i.e one of the atoms loses its electrons and the other gains it. This results in the formation of 2 oppositely charged ions.
- In sodium chloride, sodium loses one electron from its outermost shell (valence shell) whereas chloride gains it. Due to this sodium gains, a net positive charge and chloride gain a net negative charge.
- So, due to the complete transfer of electrons that takes place from sodium to chloride, the compound generated (Sodium chloride) has an ionic bond.
motorboats often wound or kill creatures in the ocean
<u>a. true </u>
b. false
The answer is ATP loses one phosphate group and converts to ADP.
ATP stores potential energy in the form of chemical bond. By breaking this bond and removing one phosphate group from ATP, which is then converted to ADP, great amount of energy is released and it is ready to be used.
This is because both are necessary for DNA synthesis and healthy red blood cells.
Explanation:
Vitamin B12 provides structural stability to some chromosome regions as centromere and telomeric DNA.
Vitamin B12 helps in methylation of DNA as a coenzyme since it is a methyl group donor.
Not having vitamin B12 in diet leads to lowering and obstruction in DNA synthesis leading to damage to DNA.
The deficiency of vitamin B12 causes apoptosis of erythroblast cells. If no vitamin B12 is there the red blood cells undergo abnormal divisions and are so large in size that they do not leave the bone marrow causing the deficiency of hemoglobin this condition is called as megabloblastic anaemia.