The basic structure of chromatin has sometimes been referred to as beads on a string of DNA. These beads are called

a. chromosomes.
b. chromatids.
c. supercoils.
d. interphases.
e. nucleosomes.


Answer: e. nucleosomes.

Biology & Microbiology

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The amniotes include (select all that apply)

A. sharks B. amphibians C. reptiles D. birds E. mammals

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List and briefly describe the four stages of whole-cell migration

What will be an ideal response?

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Flowers that smell like rotten meat, dung or decaying matter are most likely pollinated by

a. moths. b. butterflies. c. hummingbirds. d. bees. e. flies.

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DNA replication

A) requires a type of RNA polymerase. B) is partially regulated by promoter/terminator sites. C) proceeds by making two continuous strands. D) is not edited once polymerization has occurred. E) is conservative.

Biology & Microbiology