Reaction between the inoculating loop and hydrogen peroxide

Assignment Help Biology
Reference no: EM1396616

Q 1. Would a false positive from the reaction between the inoculating loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the test system? Explain.

Q 2. Why is it advisable to perform this test on a known catalase-positive organism along with the organism you are testing?

Q 3. What is the purpose of adding hydrogen peroxide to the uninoculated tube?

 

Reference no: EM1396616

Questions Cloud

Importance of bacterial lawn : Why is important to get a bacterial lawn rather than isolated colonies on the plate? Does the zone of inhibition's edge indicate the limit of antibacterial agent diffusion into the agar?
Linear trend equation for time series : Develop a linear trend equation for the time series. Graph the time series and the linear trend equation. What appears to be happening to capital expenditures? What is the forecast one year, or four quarters, into the future?
How you might be able to sort a mixed population of cells : Hypothesize about how you might be able to sort a mixed population of cells into prokaryotes and eukaryotes. Try to be practical, build on your understanding of the differences between the two cell classes.
Determine whether starch hydrolysis had occurred : If iodine were not available, how would you determine whether starch hydrolysis had occurred? Some may see starch agar plate as an answer, however, isn't that already being used to grow the bacteria?
Reaction between the inoculating loop and hydrogen peroxide : Would a false positive from the reaction between the inoculating loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the test system? Explain.
Hypothesis test with given standardized test statistic : Find the P value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H0 for the given level of significance deviation. Two-tailed test with test statistic z= -2.43 and standard deviation = 0.04..
How many generations would it take for the culture : A microbiologist inoculates a growth medium with 200 bacterial cells/ml. If the generation time of the species is 1.5 hours. How many generations will it take for the culture to contain more than 6,000 cells/ml? How long, in hours, will it be befo..
Difference between gram positive and gram negative bacteria : E.coli and S.epidermidis were chosen to represent Gram-negative and Gram-positive bacteria, respectively. For a given antibiotic, is there a difference in susceptibility between the Gram-positive and Gram-negative bacteria?
Identify its consumer value proposition its revenue model : Identify its consumer value proposition, its revenue model, the market space it operates in, who its main competitors are, any comparative advantages you believe the industry possesses.

Reviews

Write a Review

Biology Questions & Answers

  Find crossover interference in vocal claw hair

The vocal, claw and hair genes of H. flebotomos all are on the same chromosome. The vocal gene is 15 cM to the left of the claw gene and the hair gene is 30 cM to the right of the claw gene.

  Distinguish between pathological and trauma

Distinguish between pathological and trauma. Explain the main pathways by which energy from the sun or from specific chemical reactions enters organisms and passes from organism to organism or back into the environment.

  Draw an activation energy diagram

Enzymes are typically required to catalyze reactions that would be very unlikely to occur on their own. Suppose that the activation energy, Ea, for the uncatalyzed cheese reaction at 20C is 18kcal/mol.

  What would doctor hypothesize about the probability

Medical history elicits the facts that she lost her husband six months previously, has been extremely depressed, and is taking sleeping pills and not eating properly. What would doctor hypothesize about the probability of senile dementia in this case..

  The web of control that connects different genes

On physical assessment, nurse determines that his ankles and feet are very swollen. Which of these symptoms reflect left-sided heart failure and which reflect right-sided heart failure, and why give appropriate reason.

  Find the sequence of amino acids coded for by this mrna

find the sequence of amino acids coded for by this mRNA.

  Organizational levels in order starting at the atom

GIve the organizational levels in order, starting at the atom. Then, analyze how each level relates to specific functions and to each other.

  Determining ration of the unprotonated form

Uric acid dissociates with a pKa of 5.80 and can be treated as a simple monoprotic acid in pH range. Its solubility in urine depends on relative amount of protonated and unprotonated forms.

  Difference between heme and nonheme iron

Describe and discuss the difference between heme and nonheme iron. How can the efficiency of absorption be increased for both types of iron?

  Specify the amino acid sequences

specify the amino acid sequences

  How does carbon monoxide disrupt the process

What is the driving force for this movement of gas (think concentraction gradient)? Finally, how does carbon monoxide disrupt the process of oxygen trans port?

  Cells in adult mammals

Think about cells in adult mammals in which Barr bodies are observed. Indicate whether each of the following statements are true or false.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd