Medicines are often administered in pill form. In many cases, the active ingredient of the pill (the drug) is joined to another substance by ________. This forms a(n) ________, which is stable in the dry environment of a pill bottle but dissociates under

the wet conditions of the digestive system to release the drug to the body.

A) ionic bonds; salt
B) hydrogen bonds; base
C) ionic bonds; acid
D) covalent bonds; salt


Answer: A

Biology & Microbiology

You might also like to view...

The primary somatosensory cortex

a. maps the distribution of somatic receptors on the body. b. consists of white matter. c. contains interneurons. d. devotes the largest region to body parts with the greatest sensory acuity. e. includes all EXCEPT "consists of white matter."

Biology & Microbiology

The relationship between the bee and the bacteria living in the bee's gut can be classified as ___

a. parasitism b. commensalism c. a disease d. mutualism e. suicidal

Biology & Microbiology

Many bacteria are naturally capable of taking up endogenous fragments of DNA in their environment, a phenomenon termed

A) conversion. B) transformation. C) hybridization. D) transfection. E) conjugation.

Biology & Microbiology

During the first stage of cellular respiration, one six-carbon glucose molecule is converted to two three-carbon

A.) ATP B.) water C.) carbon dioxide D.) pyruvate

Biology & Microbiology