Answer: A
Explanation:
A women has two X chromosomes while men have one X and one Y chromosomes.
Answer:
because that is the amino acid specified in the genetic code for the first codon of a protein
Explanation:
Positive Feedback Loop
The direction is maintained, not changed, so this is positive feedback. Another example of positive feedback is uterine contractions during childbirth. The hormone oxytocin, made by the endocrine system, stimulates the contraction of the uterus. This produces pain sensed by the nervous system.
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Stable elements are those which have atleast one isotope with no tendency to "decay", i.e., change into anotherelement.
