How do microbes get energy to build biomass?
What will be an ideal response?
-precursor carbon->ATP->macromolecules (proteins, nucelic acids, lipids)
-precursor carbon->monomers->macromolecules (proteins, nucelic acids, lipids)
-reducing electrons, then goes into monomers, then macromolecules (proteins, nucleic acids, lipids)
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Compare proteins to nucleic acids. Which of the following is true?
A) Both have primary and secondary structure. B) Both contain sulfur. C) Both take on structural roles in the cell. D) Both have monomers, which contain phosphorus.
Carbohydrate assembly occurs by
A. a dehydration reaction between monosaccharides that form disaccharides, which then go on to form polysaccharides. B. a hydrolysis reaction between monosaccharides that form polysaccharides and disaccharides. C. a dehydration reaction between monosaccharides that form polysaccharides and disaccharides. D. a hydrolysis reaction between monosaccharides that form disaccharides, which then go on to form polysaccharides.
Which protist group does not have flagellated cells?
a. water molds b. brown algae c. golden algae d. euglenoids e. red algae
Figure 12.4
The cell in the accompanying illustration is in ____.
A. prophase I B. metaphase I C. anaphase I D. prophase II E. anaphase II