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Questions -
1. The Gram stain is typically the first test performed in a microbiology laboratory in the process of identifying an unknown. Why? Give two examples of instances when a Gram stain would NOT be a useful first step.
2. What are biochemical tests and why are they performed?
3. Give two examples of biochemical tests and identify why the tests are used.
4. Imagine that you are working in a microbiology lab and you are given a sample of bacteria on an agar plate. You are told that it is either Staphylococcus aureus or Streptococcus pyogenes. How would you determine which one the sample contains? Are there any tests you could do to differentiate them?
5. Why must these steps be followed? Wouldn't it be easier to just observe the organism under a microscope and make an Identification based on observation?
An amphibian that lives in a swamp has thirty fold more DNA than a human who lives on the forty-eight floor of luxury apartment apartment complex.
Read the New York Times article entitled "From Single Cells, a Vast Kingdom Arose" found here then provide a summary of the article. Next discuss what you believe to be the origins of animals.
Describe trisomy and monosomy, two chromosomal conditions found in humans. Include examples as you describe each condition and how it occurs
Design an experiment to detect the presence and number of Acetobacter in wine. Why would you want to perform such test?
What is required to kill endospores? How do you suppose archaeologists were able to date some spores as being thousands (or millions) of years old?
Perform a chin-up (palms supinated) and determine which muscles are the prime movers, stabilizers, and synergists. Is there a difference with a pull-up (palms pronated)? If so, what are the differences? Do as many chin-ups as possible. Which muscl..
Which of the following is an example of a heterozygous genotype?
A population of 4,000 butterflies at Hardy- Weinberg equilibrium contains 360 indviduals with a recessive phenotype ( genotype aa). What is the frequency of the recessive allele What percent of the islanders would beheterozygous for eyelash lenth
A patient has come in to see your for a regularly scheduled check-up. She is curious about an advertisement she saw on television for a genetic test to screen for health issues. She asks you whether or not she should get the test done.
Your Control for this Experiment: You get a numerical result for the number of definitions you memorized. What does that number mean? Nothing-unless you have a control for your experiment. What is the most obvious control for this experiment?
Some amino acids are post-translationally removed from the C-terminal end of the b-lactamase enzyme from B. imaginarium after translation and release from the ribosome.
Which of the following describes voluntary muscle tissue?
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