Replicators/replicons can be identified using a 

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#Question id: 10160

#Unit 6. System Physiology – Plant

Which of the following statements about the C4 cycle is true ?

a.) C4 plants uses the enzyme phosphoenolpyruvate carboxylase (PEPCase), rather than rubisco

b.) Unlike rubisco, O2 does not compete with HCO3 − in the carboxylation catalyzed by PEPCase

c.)  initial carboxylation catalyzes in bundle sheath cells, four-carbon acids formed and flow across the diffusion barrier to the mesophyll cells

d.) during decarboxylation, releasing CO2 that is refixed by rubisco via the Calvin–Benson cycle

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#Question id: 4522

#Unit 3. Fundamental Processes

Gal4p contains a

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#Question id: 14966

#Unit 2. Cellular Organization

The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

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#Question id: 8942

#Unit 9. Diversity of Life Forms

Which group contains diploblastic organisms?

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#Question id: 11968

#Unit 7. System Physiology – Animal

 Upon activation by stomach acidity, the secretions of the parietal cells ________.