All Alphaproteobacteria are which of the following?
A) oligotrophs
B) intracellular
C) pathogenic
D) all of the above
Ans: A) oligotrophs
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Glycogen stored in muscles can be "mobilized" to supply metabolic energy by hydrolyzing individual glucose subunits from the polymer. What other organ has a major function of storing glycogen?
A. liver B. brain C. stomach D. large intestine
Which proteins are found along the surface of the actin filament?
a. troponin and sequestrin b. calsequestrin and myosin c. tropomyosin and troponin d. acetylcholine and troponin e. albumin and tropomyosin
Body parts that are similar in different lineages because the lineages have a common ancestor are ____
a. homologous structures b. comparative structures c. analogous structures d. repetitive structures e. vestigial structures
Some bacteria have a water-soluble outer slime layer composed of
A) carbohydrate. B) lipid. C) peptidoglycan. D) protein. E) lipoteichoic acid.