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iVinArrow [24]
4 years ago
11

Define neurotransmitters

Biology
1 answer:
allsm [11]4 years ago
3 0
 They are endogenous chemicals that enable neurotransmission...
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Their Diversity and number will be greatly diminished.

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2 years ago
In humans, which sex chromosome determines if an offspring is a male or female? a) x b) y
igomit [66]
The male sperm determines whether it is a girl or a boy, if it has XX chromosomes it is a girl if it has XY chromosomes it is a boy. Males can only receive Y chromosomes from their fathers.
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