In prophase, ribosomal RNA synthesis stops when the chromosomes condense, and as a result:  

A.  the chromosomes lengthen.
B.  the nuclear envelope reforms.
C.  the nucleolus disappears.
D.  the chromosomes line up at the equator of the cell.


C.  the nucleolus disappears.

Biology & Microbiology

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Someone suffering from anorexia nervosa may experience which of the following physical symptoms? [Select all correct responses]

A. esophageal damage B. teeth erasion C. cessation of mensturation D. decreased thermoregulation E. both C & D

Biology & Microbiology

You are studying a fossilized primate skull and notice that the foramen magnum is located at the center

of the base of the skull. You conclude that:a. the skull belonged to a knuckle walker. b. the skull belonged to a quadruped. c. the skull belonged to a bipedal primate. d. the skull belonged to a brachiator. e. the skull belonged to a gibbon.

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The best way to treat a peptic ulcer would be to:

a. take antacids. b. take antibiotics. c. drink milk to protect the stomach lining. d. eat a low fat diet. e. take antacids and antibiotics

Biology & Microbiology

How does ADH help to prevent dehydration?

What will be an ideal response?

Biology & Microbiology