Generally, membrane filters are not used to remove
A. bacteria from liquids.
B. microorganisms from gases.
C. spoilage agents from alcoholic beverages.
D. enzymes.
D
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Penicillin is effective against bacterial infections because it interferes with the construction of
new __________ in the bacteria.
a. DNA b. cell walls c. endoplasmic reticulum d. mitochondria
Choose the letter that best describes the function of this receptor type: Ruffini corpuscle
A. tonic receptors located near the surface of the skin B. pressure sensitive receptors deep in the subcutaneous layer C. receptors on the face and fingertips sensitive to light touch
The type of reproductive isolation exhibited by 13-
year and 17-year cicadas is a. spatial. b. behavioral. c. mechanical. d. temporal. e. ecological.
Define positive feedback and describe why they are not necessarily beneficial to organisms. Include a
description of the changes associated with severe blood loss and circulatory shock to substantiate your answer. What will be an ideal response?