The extinction of the wooly mammoth about 10,000 years ago—due to human hunting and climate change—is an extreme example of ________ regulation.
a. density-dependent
b. density-independent
c. r-selected
d. K-selected
b. density-independent
The extinction of the wooly mammoth about 10,000 years ago—due to human hunting and climate change—is an extreme example of density-independent regulation.
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The basis of cellular differentiation is
the operon selective gene expression. cloning. mutation.
Which molecules are not part of the closed promoter complex?
A. RNA polymerase B. Transcription factors C. Double helix DNA D. Single-stranded DNA
In meiosis, homologous chromosomes separate in ____
a. metaphase I b. anaphase I c. metaphase II d. anaphase II e. telophase
When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible thread-like mass called the
A. nucleolus. B. chromatin. C. nucleoplasm. D. nuclear envelope. E. nucleosome.