Phosphate helps to form the backbone of what molecules?
a. organic acids
b. polypeptides
c. digestive enzymes
d. DNA
e. glucose
d
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Which of the following is a possible symptom of osteoporosis?
A. vertebral crush fractures B. reduced body height C. dowager's hump D. all of the above
Vowels which are labeled front vowels are
a) acoustically more intense b) occur more often at the beginning of words c) are produced with the front articulators such as the teeth and lips d) are produced by articulatory adjustments made by more anterior portions of the tongue
Which of the following ECG waves represents atrial repolarization?
a. P wave. b. QRS complex. c. T wave. d. atria don't repolarize e. the wave does not appear on an ECG because it occurs at the same time as the QRS complex
The concentration of sodium ions is ____ in the cytosol of the cell at rest than it is in the surrounding extracellular fluid
Fill in the blank(s) with correct word