Answer:
B. Free-radical theory
Explanation:
The free radical theory statutes that <em>ageing is the result of the accumulation of the damage to cells and tissues caused by reactive oxygen species</em> as a result of aerobic metabolism.
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Answer:
French
Explanation:
The French Congo began at Brazzaville on 10 September 1880 as a protectorate over the Bateke people along the north bank of the Congo River.The plan to develop the colony was to grant massive concessions to some thirty French companies. These were granted huge land on the promise they would be developed.
French claims by Pierre de Brazza were quickly acted on by the French military which took control of what is now the Republic of the Congo in 1881 and Guinea in 1884. Italy became part of the Triple Alliance, an event which upset Bismarck's carefully laid plans and led Germany to join the European invasion of Africa.
Answer:
This indicates a proximodistal pattern of growth
Explanation:
Prediction for the reactivity of a chlorine directly on the double bond of an alkene would be in the following:
A dipole is created in the halogen molecule as the non-polar chlorine molecule approaches the alkene double bond.
A chloride ion is produced when the pi link in the alkene double bond breaks and establishes a bond with the delta positive Cl atom.
The chloride ion undergoes carbocation as a result, and along with the carbocation, a single electron pair forms a dative bond.
Carbon double bonds are more powerful and compact than single bonds. The number of bonds is two.
Additionally, double bonds have a lot of electrons, which could make them more reactive in the presence of a powerful electron acceptor.
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