For an individual with the XXY chromosomal composition, the expected number of Barr bodies in interphase cells is ________
A) three B) two C) one D) variable E) zero
C
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What will be an ideal response?
What is the purpose of phosphorylating the carboxy terminal domain (CTD)?
A. Convert from initiation to the elongation stage B. To aid in transcriptional initiation C. Phosphorylate transcription factors D. To aid in promoter recognition
Leks are places where male:
a. hanging flies offer female flies meals of dead insects b. fiddler crabs wave their oversized claws to attract female crabs c. bison lock horns and wrestle for dominance d. midwife toads care for strings of eggs e. sage grouse display to attract females
Viruses are self-replicating, but the replication is much faster in a host cell.
Answer the following statement true (T) or false (F)