Which of the following yields carbon dioxide
during the breakdown of glucose in aerobic
respiration?
a. phosphoglycerate
b. pyruvate
c. oxaloacetate
d. PGAL
e. fructose bisphosphate
B
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Which of the following protist lineages is appropriately paired with its supportive and/or protective structure?
A) Diatoms have an intricate, chalky, chambered calcium carbonate shell. B) Parabasalids have an internal support rod, made of cross-linked microtubules, that runs the length of the cell. C) Alveolates have tough plates in the cell wall that are made up of cellulose. D) Euglenoids cover themselves with tiny pebbles. E) Dinoflagellates are surrounded by a glass-like, silicone dioxide cell wall.
Imagine that horn color in Hodags (folkloric creatures of Wisconsin) is controlled by a single gene. You mate a Hodag homozygous for a bright orange horns (COCO) with a Hodag homozygous for ivory horns (CICI). Numerous offspring are produced, all with pale orange horns. This pattern of inheritance of horn color can best be described as
A. codominance. B. recombination. C. incomplete dominance. D. complete dominance. E. environmental effects on phenotype.
The proteobacterium Rhizobium lives in a close association with legume roots, providing a source of nitrogen for the plant. In return, the plant provides Rhizobium with food produced by photosynthesis. In this relationship, Rhizobium is an example of a(n):
A. pathogen B. parasite C. producer D. methanogen E. mutualist
From which molecules are mRNA molecules transcribed?
a. tRNA b. rRNA c. DNA d. proteins