The ________ interactions allow bone to be strong, somewhat flexible, and highly resistant to shattering

A) collagen-fiber
B) protein-crystal
C) mineral-crystal
D) protein-protein
E) hydroxyapatite-crystal


Answer: B

Anatomy & Physiology

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During the cardiac cycle of an individual at rest

A. the volume of blood leaving the left side of the heart is greater than that leaving the right side. B. the duration of systole is greater than that of diastole. C. the pressure of blood leaving the right ventricle is greater than that leaving the left ventricle. D. the duration of diastole is greater than that of systole. E. the contraction of the atria overlaps in time with the ventricular systole.

Anatomy & Physiology

The informational content of DNA and RNA is in the nitrogenous bases because

A) the sugars and phosphates vary. B) the bases are also parts of amino acids. C) they all contain nitrogen. D) the bases are of several types and therefore can form a code sequence.

Anatomy & Physiology

Polymodal nociceptors

a. respond only to mechanical damage such as cutting, crushing, or pinching. b. transmit impulses along A-delta fibers. c. activate the slow pain pathway. d. release prostaglandins. e. none of these answers.

Anatomy & Physiology

After mitosis, each chromosome consists of two parallel filaments called sister chromatids.

Answer the following statement true (T) or false (F)

Anatomy & Physiology