Macromolecules including sugars, glycogen, and starches composed of sugar monomers linked and cross-linked
together are known as ____.
a. carbohydrates
b. lipids
c. proteins
d. fatty acids
e. nucleic acids
ANSWER: a
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One of the most common causes of bacterial pneumonia in school-age children (5 to 14 years of age) is:
a. H. influenzae type B. b. Corynebacterium diphtheriae. c. Streptococcus pyogenes. d. M. pneumoniae.
A chromosome with the centromere located two-thirds of the distance from its end could be classified as
A. metacentric. B. submetacentric. C. acrocentric. D. telocentric. E. either submetacentric or acrocentric.
Predators can switch to alternative prey when a
prey species is low in abundance as is shown in a. type I response. b. type II response. c. type III response. d. types I and II. e. none of these.
Cells that possess a nucleus and a membrane system that establishes internal compartments belong in which of the following groups?
A) eukaryotes B) viruses C) Archaea D) Bacteria