An amino acid may act as a proton acceptor or donor. Explain.

What will be an ideal response?


Amino acids have two components-a base group (proton acceptor) and an organic acid part (a proton donor).

Anatomy & Physiology

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Class II MHC molecules are found _________.

A) only on granulocytes and macrophages. B) on all cells with a nucleus. C) only on liver cells and macrophages in the spleen. D) only on red blood cells. E) only on lymphocytes and macrophages.

Anatomy & Physiology

The amount of blood pumped out of each ventricle in one minute is called:

A. stroke volume. B. cardiac output. C. cardiac reserve. D. end diastolic volume.

Anatomy & Physiology

The caudal part of the vertebral column extending beyond the trunk is the ________

Fill in the blank(s) with correct word

Anatomy & Physiology

Within the eye, what innermost pigment layer contains nervous tissue?

a. vitreous humor b. choroid c. retina d. sclera e. cornea

Anatomy & Physiology