Which of these statements concerning the centromere is NOT true?
a. It appears to join duplicated DNAs.
b. It anchors proteins to DNA.
c. It varies from one type of chromosome to the next.
d. It is the attachment site for microtubules.
e. It is a "pinched in" region.
B
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____ reproduction generates more ____ than does ____ reproduction
a. Asexual; genetic diversity; sexual b. Sexual; genetic stability; asexual c. Sexual; genetic diversity; asexual d. Asexual; haploid cells; sexual e. Sexual; identical offspring; asexual
Complex traits are usually quantified by ____________________ rather than by ____________________.Fill in the blank(s) with the appropriate word(s)
Acceptance of the Three Domain system would require a complete reorganization of the Five Kingdom classification.
a. true b. false
Tubeworms around deep-sea hot vents house which symbiotic organism?
What will be an ideal response?