The phase of mitosis that begins with the arrival of a group of single-stranded chromosomes at each pole of the cell is
A. metaphase.
B. anaphase.
C. telophase.
D. prophase.
E. S phase.
C
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A bone fracture in your arm would be part of the ________ division of the skeleton.
A. thoracic B. appendicular C. axial D. spinal
Which male gland is located behind the urinary bladder and secretes an alkaline fluid with fructose and prostaglandins?
A. Seminal vesicles B. Bulbourethral glands C. Cowper's glands D. Prostate
Which of the following would be an example of the process taking place at B?
A)the movement of a specific protein from the membrane to the cytoplasm B)the binding of a chemical messenger activating a cytoplasmic enzyme, such as kinase, that leads to specific cellular responses C)the transport of a specific chemical messenger into the cell D)the conversion of a chemical messenger molecule into a specific product
What keeps the HCN channels open?
A. G-proteins B. cAMP C. Ca2+ D. ATP