What is the primary driving force for the binding of oxygen to hemoglobin?
A) PO2
B) PCO2
C) pH
D) temperature
E) 2,3-bisphosphoglycerate (2,3-BPG)
Answer: A) PO2
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Bacteria synthesize CDP-diacylglycerol in order to build ________, a major cell membrane phospholipid component.
A. lipopolysaccharide B. peptidoglycan C. lipid rafts D. phosphatidylethanolamine
The normal RB gene functions as
A) an activator of transcription. B) a proto-oncogene. C) an activator of translation. D) a cell surface receptor. E) an inhibitor of transcription.
Which of these actions will reduce the rate of diffusion?
a. increasing the temperature b. increasing membrane surface area c. increasing membrane thickness d. increasing the concentration gradient
Cytokines are protein-based chemical messengers that allow for communication between cells of the immune system
Indicate whether the statement is true or false