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

Biology & Microbiology

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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

Biology & Microbiology

What was the Rf of the yellow pigment?

a. 0.75 b. 0.60 c. 0.44

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology