Microbes in Human Welfare Questions and Answers

Label the slides according to their gram stain results

Use this key for a few selected Gram positive bacteria to identify the possible bacterium based on the following test results Acid fast Catalase activity Coagulase activity Colony color Test Endospores Glucose fermentation anaerobic Hemolysis on blood agar Morphology Result Red COCCUS Remember to start at the top of the key and move downward through it DO NOT try to match all test results to each bacterium you have to determine which results are important for this organism based on the key Type in the bacterial genus OR abbreviated full name as given on the key spelling and capitalization count Canvas ignores italics but formally the genus should also be italicized

Use this key for a few selected Gram positive bacteria to identify the possible bacterium based on the following test results Acid fast Catalase activity Coagulase activity Colony color Test Endospores Glucose fermentation anaerobic Hemolysis on blood agar Morphology Result Red COCCUS Remember to start at the top of the key and move downward through it DO NOT try to match all test results to each bacterium you have to determine which results are important for this organism based on the key Type in the bacterial genus OR abbreviated full name as given on the key spelling and capitalization count Canvas ignores italics but formally the genus should also be italicized

The development of resistance to pesticides by insects was the result of O Inheriting genes that made them less affected by the pesticide O The special creation of a new kind of insects The inheritance of acquired characteristics in insects O The fact that all insects are resistant to pesticides O New genetic mutation in the insects after exposure to the pesticide

1 resuspended the bacteria in 0 5ml of Solution 1 and then added lysozyme to a concentration of 50 g ml If we had a lysozyme stock concentration of 10mg ml calculate the stock volume that needed to be added HINT Use C1V1 C2V2

Drag and drop the labels Into the correct empty boxes to complete this concept map Life cycle of an enveloped animal virus integration Synthesis nucleic acids tropism Uncoating Penetration Adsorption endocytosis Assembly exocytosis Release virions Targets receptors on specific host cells HHH if ds DNA may lead to cancer e g budding

6 Gram negative enteric bacilli produce enzymes that inactivate many antibiotics that target synthesis of the cell wall This is referred to as a MRSA b MDRTB c VRE d ESBLS e VRSA 7 Typically microbes that colonize the human body belong to the group of a psychrophiles b psychrotrophs c mesophiles d thermophiles e hyperthermophiles

Which of the following is NOT a useful function of the gut microflora Making fermentation by products Increasing the inflammatory immune response Modulating the immune response Encourage sloughing of liver cells

Penicillin acts by O a inhibiting enzymes that cross link peptidoglycan Ob inhibiting RNA polymerase Oc inhibiting folate biosynthesis O d inhibiting protein synthesis Oe inhibiting DNA synthesis

Which two plates should be compared to determine if any genetic transformation has occurred Choose both from the options below O PGLO LB O pGLO LB amp O pGLO LB amp ara OPGLO LB

What is the relationship between decomposition and dissolved oxygen O Decomposition does not require dissolved oxygen O Decomposition releases dissolved oxygen into the water Decomposition uses dissolved oxygen removing it from the water O Decomposition creates dissolved oxygen

II Understanding the Scientific Method 15 The previous questions illustrate that the process of science is more complicated than the ypical textbook description of the scientific method Based on this information revise the Following diagram of the scientific method to make it more accurate complete and realistic MAKE AN OBSERVATION ASK A QUESTION FORM A HYPOTHESIS CONDUCT AN EXPERIMENT ACCEPT HYPOTHESIS REJECT HYPOTHESIS Figure from http static ddmcdn com gif scientific method 17 jpg

L6 Assessment Should we take all of our antibiotics even if we feel better Write an explanation for your reasoning that tells how the mathematical model you co constructed in class helps us understand why it is necessary to take all of the prescribed doses of antibiotics even when we are already feeling better in advance of finishing them You may also include a picture Claim Reasoning Evidence

Schistosoma can be transmitted by O Undercooked pork O Undercooked fish O Undercooked beef

Study llowing Is a government insured account Limited to a certain number of transactions each month What answer best completes the chart Savings account Savings bond Certificate of deposit Mangu market deposit account Has a tiere interest rat

NSAIDs are drugs that are used to A relax muscles B kill viruses C kill bacteria D decrease inflammation