What molecule(s) cause(s) a portion of a DNA molecule to unwind for transcription?
A. poly—A tail
B. transcription factors
C. spliceosomes
D. RNA ploymerase
E. 7—methylguanosine cap
D
Anatomy & Physiology
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If your doctor notices a marked decrease in calcium ion levels in your blood, what gland might he suspect is not functioning properly and why?
What will be an ideal response
Anatomy & Physiology
Which of the following muscles would produce the greater tension?
A) a muscle with 20 motor units active B) a muscle with 10 motor units active
Anatomy & Physiology
Vesicular breath sounds may be heard ________
A) on the throat below the larynx B) at the triangle of auscultation C) over the sternum D) on the throat below the larynx, over the sternum, and at the triangle of auscultation
Anatomy & Physiology
The mass of an atom is the sum of its protons and electrons
Indicate whether the statement is true or false.
Anatomy & Physiology