If the difference in pH across a membrane is 0.60 and the membrane potential is -0.10 V, about what percent of the Gibbs free energy change, ?G, is from the pH difference at 37 oC? (R = 8.315 J K-1 mol-1; F = 96,485 J V-1 mol-1)

A) 15%
B) 27%
C) 73%
D) 85%


B) 27%

Biology & Microbiology

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Which of the following does NOT affect blood

glucose levels? a. glucagon b. epinephrine c. parathyroid hormone d. glucocorticoids e. insulin

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Answer the following statement(s) true (T) or false (F)

1. articular cartilage has no blood supply 2. THe meniscus of the knee is a type of fibrocartilage 3. capsular ligaments are part of the joint capsule 4. The portion of a stress-strain curve up to the yield point is called the plastic region. 5. In a pure elastic material the mechanical energy is fully recovered after a deformation.

Biology & Microbiology

What information can a DNA library provide?

1.It provides the sequence of all the genes in a given organism. 2.It can reveal minor differences in the number of tandem repeats in an individual. 3.It can be used to isolate a particular gene of interest using a labeled probe. 4.It can be used to analyze DNA from crime scenes.

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Members of the ____ lineage, known as bristle worms, are found primarily in marine environments and are

characterized by the presence of parapodia.

a. Hirudinea b. Polychaeta c. Monogenoidea d. Cestoda e. Oligochaeta

Biology & Microbiology