The promoter sequence of DNA is located
A. behind the initiator codon.
B. ahead of the initiator codon.
C. immediately ahead of the gene.
D. behind the gene.
B. ahead of the initiator codon.
Biology & Microbiology
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The term "segmented" refers to viruses that
A. may contain several pieces of RNA. B. have an icosahedral-shaped capsid. C. are linked together before budding out. D. have an envelope.
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What are some characteristics of a respiratory surface that are important for gas exchange?
What will be an ideal response?
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Which of the following does not occur during telophase?
A. chromosomes uncoil B. the nucleolus reappears C. the spindle is disassembled D. the nuclear membrane disappears E. cytokinesis often begins now
Biology & Microbiology
How does the cell membrane act as a "gatekeeper" for the cell?
What will be an ideal response?
Biology & Microbiology