From production through ejaculation, which is the correct pathway for a sperm cell?
A) Testis ? Epididymis ? Vas deferens ? Seminal vesicles ? Prostate gland ? Penis
B) Testis ? Prostate gland ? Seminal vesicles ? Epididymis ? Vas deferens ? Penis
C) Testis ? Vas deferens ? Epididymis ? Prostate gland ? Seminal vesicles ? Penis
D) Testis ? Epididymis ? Seminal vesicles ? Vas deferens ? Prostate gland ? Penis
A
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In ChIP-Seq, the DNA fragments to be sequenced are around 150 bp in length. What does this size of DNA represent?
A. The length of a promoter B. The amount of DNA wrapped around a nucleosome C. The average length of a gene D. The average distance between genes E. The amount of DNA between nucleosomes
When molt-inhibiting hormone secretion (MIH) is prevented, ____
a. ecdysone levels increase b. ecdysone levels decrease c. molting is inhibited d. growth is inhibited e. growth is stimulated
Which of the following affect(s) the developmental
pathways that different embryonic cells eventually follow? a. sperm organelles b. sperm RNA c. sperm cytoplasm d. egg cytoplasm e. all of these
The only molecules that can pass freely through the plasma membrane are ones that
A) are positively charged. B) are small and hydrophobic. C) are ones that are polar. D) are small and polar. E) are small and negatively charged.