Metabolism is defined as _____
A) the taking in of nutrients
B) all the chemical reactions occurring in an organism that support life
C) the breakdown of substances into simpler forms
D) the removal of wastes produced by chemical reactions
B
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Which ligament is responsible for holding the head of the radius in place?
A. Anular ligament B. Deltoid ligament C. Ulnar collateral ligament D. Transverse humeral ligament E. Radial collateral ligament
________ carry excess cholesterol from peripheral tissues to the liver
A) Very-low-density lipoproteins (VLDLs) B) Low-density lipoproteins (LDLs) C) Micelles D) High-density lipoproteins (HDLs) E) Very-high-density lipoproteins (VHDLs)
As individuals age, the efficiency of the respiratory system typically
A) increases somewhat. B) decreases. C) changes in proportion to the rate of change of body weight, as occurs in young individuals also. D) does not change as much as does that of most other systems. E) responds more rapidly to immediate changes but cannot maintain the response over as long a duration.
All hormones are first formed as preprohormones, then are pruned into active hormones
Indicate whether the statement is true or false