Acid-fast cells such as Mycobacterium lose the color of the primary stain in the presence of hydrochloric acid
Indicate whether the statement is true or false
FALSE
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The free energy of ATP hydrolysis is -31.0 kJ/mol. The free energy of glucose phosphorylation by hexokinase is
+14.3 kJ/mol. These two reactions are coupled to allow them to proceed spontaneously. What is the overall free energy associated with this coupled reaction?
a. -45.3 kJ/mol b. -31 kJ/mol c. -16.7 kJ/mol d. 16.7 kJ/mol e. 45.3 kJ/mol
What was the Rf of the yellow pigment?
a. 0.75 b. 0.60 c. 0.44
What is the function of a protein kinase?
A. To add phosphate groups onto proteins B. To cleave membrane phospholipids C. To phosphorylate GDP to generate GTP D. To remove phosphate groups from proteins
Which of the following would support a hypothesis that insects preceded amphibians on land and were flourishing when the first amphibians evolved?
A) Amphibians and insects have many adaptations in common. B) Amphibians and insects share a recent common ancestor. C) Many amphibians are insectivores in their terrestrial stage. D) Amphibians and insects both have lungs in their terrestrial stage.