the papillary and reticular layers pf the dermis.
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Answer:
Glycolysis must occur before ATP is produced, regardless of whether it is fermentation or the citric acid cycle that follows. Because hexokinase is involved in this preliminary step, if its activity were stopped, the cell could not continue to produce ATP by either pathway.
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Answer:
Meiosis also produces genetic variation by way of the process of recombination. Later, this variation is increased even further when two gametes unite during fertilization, thereby creating offspring with unique combinations of DNA.
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Answer:
Testosterone
Explanation:
This mostly happens at puberty, the LH production rises sharply that ultimtely increases the production of Testosterone by Leydig cells of testes. The secondary sexual characteristics start to appear by this sharp rise in testosterone levels.
Silurian Period which was formed hundreds of millions of years ago