Which of the following nitrogen bases is found in RNA but not DNA?

A. Adenine
B. Uracil
C. Thymine
D. Guanine
E. Cytosine


Answer: B

Anatomy & Physiology

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Describe the structural and functional relationship between the hypothalamus and the pituitary gland

What will be an ideal response

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Which vitamin is required for the normal synthesis of collagen?

A.   Vitamin D B.   Vitamin B C.   Vitamin A D.   Vitamin C E.   Vitamin K

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If the arches of the foot fail to form, a person is said to have ________.

Fill in the blank(s) with the appropriate word(s).

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In the normal heart, the ________ has the highest rate of discharge and sets the rate of depolarization for the heart as a whole

A) SA node B) AV node C) bundle branches D) AV bundle

Anatomy & Physiology