Which relatively weak type of bond helps stabilize the three dimensional structure of large molecules like proteins and DNA?

a) nonpolar covalent
b) polar covalent
c) hydrogen
d) ionic
e) atomic


Answer: c

Anatomy & Physiology

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Which of the following is not a function of the liver?

a. produces bile b. carries out the first step of carbohydrate metabolism c. produces fibrinogen d. all of the above are functions of the liver

Anatomy & Physiology

Muscle cells produce movement by expanding

Indicate whether the statement is true or false

Anatomy & Physiology

Proteins encode nucleic acids.

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

Anatomy & Physiology

About 23% of the CO2 in the blood is transported as ________.

A. bicarbonate ions B. carbaminohemoglobin C. carbonic anhydrase D. dissolved CO2 in the plasma

Anatomy & Physiology