Biology question and answers for June 06, 2024
- Q TABLE 47 1 Results for Various Biochemical Tests Test Abbreviation Detects ONPG ADH LDC ODC CIT H S URE TDA IND VP GEL B galactosidase lactose hydrolysis Arginine dihydrolase Lysine...
- Q sheet API RESULTS Sample Origin Date Inoculated Step 1 In each yellow circle write a for each positive result and a for each negative result 1999 124 12 4 12...
- Q meaning 1960s China accused the that it had revised or abandoned the revolutionary aspects of Marxism in favour of a more moderate less revolutionary approach After Nikita Khrushchev became leader...
- Q Communism Socialism Industrial capitalism Agricultural capitalism Feudalism Slave society Primitive communism Figure 1 4 The Marxist stages of history theory ACTIVITY Before you begin to work your way through this...
- Q You are asked to subclone the T7 RNA polymerase in the PGEX 4T 3 vector Which of the following forward primers should you use to PCR amplify your T7 RNA...
- Q PROCEDURE ead the case sections and perform the analyses as structed At the Patient s Bedside A 68 year old man is brought to the emergency department ED of the...
- Q Communist areas in 1934 Mountains Route of the Long March Great Snow Mountains Mao s Route Yan an October 1935 Yangtze R The Great Wall Xian SHAANXI 4th army route...
- Q How many nucleotide s should you add to your forward primer to adjust the reading frame if you are planning to use the restriction site BamH I knowing that the...
- Q 2 You perform the citrate utilization test and after 48 hours of incubation you make the following observations Should you trus your findings Be sure to explain your reasoning Sample...
- Q 5 Which of the following are unlikely to grow on Simmons citrate agar Select all that apply a E coli b S flexneri c A bacterium that requires an inorganic...
- Q 1 It is a Friday afternoon and you head to the lab to inspect the Simmons citrate agar bacterial samples that you inoculated on Wednesday of the same week The...
- Q 2 The nitrate reduction test is performed using a Differential media b Selective media c Enriched media d Defined media e Synthetic media
- Q 2 Which of the following is indicative of a positive test result for citrate utilization Select all that apply a The media appears green and growth is absent b The...
- Q 4 The citrate test determines if a bacterium a Metabolizes citrate b Requires a carbon source c Requires a nitrogen source d Produces acidic metabolic byproducts e Is a pathogen
- Q 6 Why may a heavy inoculum be problematic in this test a The medium s pH can be falsely elevated if too many bacteria are growing on the agar b...
- Q 7 Choose the statement s that accurately describe s Simmons citrate agar select all that apply a It is considered enriched media b It is considered a defined media c...
- Q 2 Although strict anaerobes may reduce nitrate the nitrate reduction test as we performed it in this exercise would not determine the nitrate reduction potential of a strict anaerobe Explain...
- Q 784 high risk individuals were referred to a lab and tried a new and simple screening for colon cancer To assess the validity of this new screening test all of...
- Q fo 1 Choose the true statement s about nitrate select all that apply a It can be oxidized to nitrite b It can be reduced to molecular nitrogen N c...
- Q umber the steps below so they are in the proper order for the nitrate reduction test Development of a red color indicates a negative result Add Reagent B Look for...
- Q 6 Assume you see gas in the Durham tube and after adding Reagents A and B a red color develops Based on these observations what can you conclude Select all...
- Q continued 1 Suppose you remove your test cultures from the incubator and notice that one of them a known fermenter has a gas bubble in the Durham tube Knowing that...
- Q 5 Cross out the steps that do not apply to the VP test and then number the remaining steps so they are in the proper orde Add methyl red Immediately...
- Q 2 In the VP test the most intense color change is often at the media s surface Based on the reaction s chemistry why does this make sense not
- Q 6 Cross out the steps that do not apply to the MR test and then number the remaining steps so they are in the proper order Inoculate MR VP broth...
- Q 1 Why is the methyl red test read immediately after addition of methyl red reagent whereas the Voges Proskauer test is read up to 60 minutes after addition of Reagents...
- Q Vitamin D deficiency in adults is called melasma osteoporosis Oosteomalacia rickets
- Q 4 In this procedure the samples were not transferred into sterile tubes for developing the MR or VP test Why weren t sterile tubes required
- Q 2 Select the false statement s about a VP positive bacterium select all that apply a It performs 2 3 butanediol fermentation d b It performs mixed acid fermentation c...
- Q O is released by the action of the thyroid O regulates blood pressure O has a sequence identical to oxytocin O is a physiologically active dipeptide is a hormone that...
- Q 1 Select the true statement s about an MR negative bacterium select all that apply a It performed mixed acid fermentation b It converted glucose to acidic products c It...
- Q 3 Choose the true statement s about fermentation select all that apply a If a fermentation reaction occurs the phenol red media should turn yellow b All fermentation reactions produce...
- Q 6 Assume you conduct a phenol red glucose test on an unknown bacterium and after incubation you obtain an A result What can you reasonably conclude about the bacterium Select...
- Q 1 Choose the false statement s about the phenol red test select all that apply a It can detect if an organism ferments a specific sugar b It is a...
- Q 5 The enzyme Occur is required to split sucrose into monosaccharides before fermentation
- Q 4 Mark each statement as true or false and correct the false statements so they read as true Monosaccharides must be converted to disaccharides before being metabolized by fermentation pathways...
- Q 2 Suppose you perform this exercise and upon making your observation you notice the media outside the Durham tube is red while the media inside the Durham tube is yellow...
- Q 2 The purpose of the Durham tube in the media is a To stabilize the media s pH b To capture gas made as a fermentation byproduct c To remove...
- Q Critical Thinking 1 Should you anticipate a bubble in the Durham tube if the media is red Explain your reasoning
- Q Critical Thinking 1 Why is it necessary to use two controls uninoculated control and a nonsaccharolytic sample rather than just one What are the specific purposes of each Be thorough...
- Q 6 In the O F test performed in this exercise served as a protein source served as the carbohydrate source whi
- Q The O F test is selective for bacteria that conduct fermentation versus aerobic oxidative respiration 4 Facultative anaerobes such as members of the family Enterobacteriaceae are capable of both aerobic...
- Q 3 Mark each statement as true or false and correct the false statements so they read as true If a bacterium carries out oxidative metabolism it cannot also carry out...
- Q 2 Why is mineral oil added in the O F test a To serve as a nutrient source b To keep potential pathogens from becoming airborne c To remove oxygen...
- Q 1 Select the true statement s about O F media select all that apply a It is a differential medium b It is a selective medium c It contains methylene...
- Q 4 Students will write their genetic crosses and plans to generate a double mutant fly
- Q The amino acid shown below is which of the following COO HN C H H C CH CH O tryptophan O proline O histidine O leucine arginine
- Q For this pre lab assignment you will submit a 1 page drawing that demonstrates the differences between Mendel s two main laws the law of segregation and the law of...
- Q 1 Students will write a short summary about how early body plan is established in Drosophila embryos minimum 300 words
- Q What did genetic analysis of the two groups of North Atlantic killer whales show A B C D Based on genetics they remain the same species The two groups have...
- Q Select all that apply The activities within a cell are similar to the transportation system of a city because Ocell organelle movement becomes clogged at times much like rush hour...
- Q Rank the sequence of cross bridge cycling starting with the myosin binding sites being exposed and ending with relaxation due to cross bridge cycling ending Do not overlap any events...
- Q 31 Which of the following is a inverse PCR method A using primers with 1 bp change to generate mutations no B using primers with restriction enzyme sequences adapter on...
- Q 7 You have designed primers for PCR Which of the following is incorrect A You should have poly AAAAAA at 3 end B The annealing temperature of both primers should...
- Q 5 Pyrophosphate is a A building block for DNA synthesis B by product of DNA synthesis C precursor to DNA synthesis D fire phosphate used in nucleic acid metabolism All...
- Q The diagram below shows how DNA is sequenced Step 1 5 Step 2 ddCTP ddGTP ddTTP ddATP A T Step 3 STARSA Template strand 5 CGCA 3 Primer 3 GCGT...
- Q Semiconservative replication of DNA involves A each of the original strands acting as a template for a new strand a B only one of the original strands acting as a...
- Q 3 The florescent dye attached to ddNTPs in DNA sequencing A aids in visualization of the DNA strand when the ddNTP is incorporated and determine what base it is B...
- Q 4 Semiconservative replication of DNA involves B each of the original strands acting as a template for a new strand us of 20 only one of the original strands acting...
- Q A B 1 In what way does a ddNTP differ from its dNTP counterparts The ddNTP has an extra COOH group The ddNTP has an extra OH group The ddNTP...
- Q Chemical synthesis of DNA Linking first nucleotide to column Removing oligonucleotide from column Purifying oligonucleotide Washing Detritylation Washing Activation and coupling 100 Washing Capping Oxidation n cycles What are the...
- Q PREDICTION 0 Atmosphere no 02 more CO2 Earliest 2 1 F Atmosphere more 02 less COZI ON B Haceral Cell Prokaryote Multicellutar Plant Energy Competition Chemoautotrophie Anaerobic Bacteria 3 Multicellular...
- Q 1 Calculate the population growth expected in a sample of E coli of 108 per ml in 10 ml of medium over 24 hours Hint use the Nert equation for...
- Q Name Serenity m Period 3 Directions For each of the following statements write true or false T or F 1 Carbon atoms can bond together in straight chains branched chains...
- Q Plants name Main plant Marigold Tagetes Other plants also included in lab Vinca Catharanthus roseus Begonia Level of soil per pot Pot 1 5 cm Pot 2 7 5 cm...
- Q Photosynthesis
- Q Photosynthesis Making Energy Plate Call Chloropfent Chloroplasts Photosynthesis is a process in which sunlight energy is used to make glucose The site of photosynthesis is in the chloroplast an organelle...
- Q Was the Columbian Exchange
- Q DNA Replication Labeling with word bank DNA polymerase 5 DNA Ligase Okazaki fragment DNA Primase Single Strand Binding Leading Strand Lagging Proteins Strand 5 3 Helicase RNA primer OTTY Mys...
- Q Enzyme that unwinds DNA Fragments of copied DNA created on the lagging strand The strand that is copied in a continuous way from the 3 to 5 direction Binds Okazaki...
- Q Place the events in the correct order DNA polymerase adds nucleotides in the 5 to 3 direction Replication fork is formed DNA polymerase attaches to the primer Okazaki fragments are...
- Q e 155 156 159 160 8 3 Describe a genotype and phenotype of a genetic carrier and use this term appropriately Drag each correct term to complete the passage Drag...
- Q How does the Mealy Blue Sage get energy
- Q substance as an acentuar fuld an extracellular fluid a solute in body fluids or neither a body fluid nor a solute Drag the appropriate items to their respective bins View...
- Q Question 1 0 25 p In the reaction 6CO2 6H 20 C 6H 120 6 60 2 which side should energy be placed on the right side this is an...
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