The following image represents one of the complement cascades talked about in class. Instead of numbers differentiating the different complement proteins letters are used in the image. If a lower case letter is used behind the initial letter – it means that the initial protein was broken down into a more active form (a and b). Which complement protein could be represented by the letter “B”, knowing that “B-a” is used to complete the next step?

Tetanus is said to be _______________because you can only catch this disease from inanimate objects, like rusty nails.

Given the following LD50 values, which toxin would be considered the most lethal?

Using the growth curve below, identify the lag phase.  

What sequence in the mRNA tells a ribosome to stop?

Which of the following is TRUE about a (+)ssRNA virus?

The following data were obtained from a microtiter dilution test. Bacteria were initially grown in the presence of different concentrations of antibiotic X, then a sample of that culture was transferred to non-selective media (a subculture) to test for growth. (+ = growth, –  = no growth) Concentration of Antibiotic X Growth Growth in Subculture       15 μg/ml + + 30 μg/ml – + 60 μg/ml – – 120 μg/ml – –   What is the MBC (Minimum bacteriocidal concentration) of antibiotic X?

An 11-year-old female Doberman Pinscher dog is evaluated because of bradycardia and excessive panting after being given a presurgical dose of morphine. What is another common adverse effect this patient may exhibit?

The following data were obtained from a microtiter dilution test. Bacteria were initially grown in the presence of different concentrations of antibiotic X, then a sample of that culture was transferred to non-selective media (a subculture) to test for growth. (+ = growth, –  = no growth) Using the table below, it can be said that antibiotic X is ________at 30 μg/ml and _______ at 60 μg/ml.   Concentration of Antibiotic X Growth Growth in Subculture       15 μg/ml + + 30 μg/ml – + 60 μg/ml – – 120 μg/ml – –

In the image below, the top nucleotide (labeled A) is at the __________end of the DNA strand. A legend with what the shapes represent is shown next to the DNA strand.