Examlex
Oxygen was a driving factor in the formation of eukaryotic cells.
Menarche
The first occurrence of menstruation in a person's life, marking the onset of reproductive capability.
Y Chromosome
The sex chromosome typically found only in males. When paired with an X chromosome from the mother, it produces a male child.
X Chromosome
The sex chromosome found in both males and females. Females typically have two X chromosomes; males typically have one. An X chromosome from each parent produces a female child.
Menarche
The first occurrence of menstruation in a person, signaling the beginning of reproductive capability.
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Q29: The growth of viruses in a culture
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Q34: Nitrogenase is an oxygen-sensitive enzyme even though
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Q43: Which type of viruses can be directly
Q44: Discuss the theory of secondary endosymbiosis and
Q68: Campylobacter and Helicobacter are two genera within