The onset of puberty is triggered by maturation of the brain, which stimulates the hypothalamus to secrete

A) testosterone.
B) progesterone.
C) gonadotropin-releasing hormone (GnRH).
D) luteinizing hormone (LH).
E) chorionic gonadotropin (CG).


C

Biology & Microbiology

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a. megasporangium b. antipodal cells c. microsporangium d. synergid cells

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Describe the newest method of DNA fingerprinting, which uses PCR and short tandem repeat sequences (STRs).

What will be an ideal response?

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What will be an ideal response?

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