Biology question and answers for October 26, 2023
- Q Identify the greenhouse gas O Neon O Nitrogen O Methane O Oxygen
- Q Which among the following is an example of a chemical reaction A silver spoon tarnishes O An iron bar rusts O An antacid relieves heartburn All of the choices
- Q During World War II the Bosnians had sided with the O French O British O Germans O Russians
- Q in umbonate colony is one that
- Q 16 AKS 8a3 A plasmid is A a small circular piece of DNA that is part of the chromosome B a small circular piece of RNA that is non chromosomal...
- Q 15 AKS 8a Recall that hemophilia is a blood disorder in which an individual cannot produce a clotting protein and as a result experiences excessive bleeding when injured Which of...
- Q stain used to color the background bacteria will not be stained stain used to color bacteria background will not be stained 1 positive stain 2 negative stain 3 simple stain...
- Q Use Figure 1 to answer questions 3 and 4 C Step 2 Figure 1 DNA of Mum ITA Step 1 0 3 AKS 8a3 Which of the following best describes...
- Q on to gr and paying attentio spenning Reflect on the history and celebration of Juneteenth by
- Q O ionic bonds only O single and double bonds single bonds only O double bonds only Question 16 Isotopes of an element will always differ in O reactivity O atomic...
- Q Unripe fruits are hard and tart Ripening is a process that sweetens and softens the fruit to make it more attractive to animals who will eat the fruit and disperse...
- Q Table 6 Year Jan Feb Mar Apr May Jun Jul 2012 20 30 43 10 5 12 15 2013 30 45 35 20 30 20 5 2014 60 18 8...
- Q government Rule of law Magna Carta Petition of Rights and English Bill of Rights
- Q 2 How would you describe a plate that had several cultures growing on the plate A
- Q Cystic fibrosis is a disease that affects the ability of cells to move sodium across the cell membrane This causes mucus to build up in the lungs resulting in respiratory...
- Q a Describes a particular species Ob Directs the user to one of two species identifications O c Is always the same as a branch on a phylogenetic tree Od Describes...
- Q specimen a Illuminator b Condenser c Ocular lens compound microscope helps to focus light d Coarse focusing knob 5 Search DEGHO OMBN M O en O
- Q What characteristics led to Ancient Greece being relatively disease free Select all choices that may apply X The Greek gods blessed the culture Selected Answer Incorrect Isolated nature of the...
- Q Refer to the Tests tab Which test will most quickly and reliably help you identify the pathogen Blood test for antibodies Blood cultures Viral or bacterial cultures Ranid PCR
- Q 22 Which statement is correct for Ca H pump Ca and Hiones are transported against the concentration gradient This enzyme uses metabolic energy to transport pump 2Ca outward and 2H...
- Q American Write a proposal that discusses your minority group In it include 1 A 250 word essay that discusses o The group you selected and why you selected it o...
- Q Theories are supported by more evidence than hypotheses True or False True False
- Q 1 Translational decoding and peptidyl transfer are bridged by A termination codon B EF G hydrolysis of GTP C EF Tu hydrolysis of GTP D tRNA aminoacylation E initiation
- Q E decoding errors an 6 The protein complex that bridges between the enhancer and the core promoter is the A mediator B negotiator C transposase D DNA polymerase III E...
- Q are enzymes that cut DNA molecules at specific DNA sequences
- Q O True O False Question 68 1 pts Pangea was a supercontinent that formed around 500 mya million years ago and broke up around 300 mya True
- Q 2 The editors at Science and Nature decided not to publish the paper How should academic journals deal with potentially controversial research What are their moral and social responsibilities
- Q What are the differences between a lytic and a lysogenic infection?
- Q For this question on genetically modified organisms, please pick ONLY ONE of the following questions to answer. I.e., you have a choice of which you would prefer to answer, so...
- Q You want to insert a gene into a plasmid in order to transform E. coli and give it new capabilities. You have both the gene and the plasmid available. In...
- Q Which one of the following PCR components is present in qPCR but not in conventional PCR?Taq DNA polymeraseDNA primersNucleotides (A, T, G, and C)MgCl2 (cofactor)A fluorescent probe
- Q During the annealing step....Primers bind to the newly separated DNA strandThe two DNA strands separate at high temperatureThe Taq DNA polymerase forms a complex with DNA and histonesThe new DNA...
- Q What is the role of the Taq DNA Polymerase?Causes the DNA strands to separateFrames the beginning and end of DNA to be copiedCopies the DNATranscribes DNA into mRNAReverse transcribe mRNA...
- Q Nucleotide triphosphate (dNTPs) are added to the growing DNA strand during the _______ phase AnnealingExtension/elongationDenaturation/separationPreparation
- Q What would show where within a tissue a gene's mRNA was expressed?immunohistochemistry.immunocytochemistry.bacterial transformation.RNA in situ hybridization.
- Q According to the AMA, using an electronic claim instead of paper can provide a savings of as much as ______ in processing costs per claim.3.732.96.630.6
- Q "DNA fingerprinting" uses RFLPs and gelelectrophoresis in order to map the geneticdifferences between two individuals based upon(A) residue left from their fingerprints at acrime scene.(B) slight differences in the lengths...
- Q You are a baker with your own unique strain of baker's yeast species Saccharomyces cerevisiae. From a single colony of your yeast, you isolate genomic DNA and amplify the 18S...
- Q 3. You add an appropriate amount of an antibiotic to a turbid broth culture of bacteria, andwithin a few minutes the culture visibly clears.a) Can you tell the mechanism of...
- Q Each of the following are features of a cloning vector exceptSelect one:a. origin of replication.b. reverse transcriptases.c. genetic markers used to screen for recombinants.d. capacity for large inserts.e. multiple cloning...
- Q If your sample looks too opaque, what adjustment should be made?Adjust the course focus.Adjust the fine focus.Increase the light coming through the diaphragm.Decrease the light coming through the diaphragm.
- Q Why do we draw our specimens in a circle when using a microscope?It indicates the viewing field as viewed through the eyepiece.Squares are boring.The objective lenses are round.Ohe adjustment knobs...
- Q For control of microbial life, which of the following are included as actions on the microbes to destroy them? breakdown or cause problems with the cell membranecause breakage in the...
- Q The role of isopropanol or ethanol in plasmid DNA precipitation is:1. Isopropanol/ethanol makes plasmid DNA more soluble in aqueous solution2. Isopropanol/ethanol makes genomic DNA more soluble while it makes the...
- Q Polymerase chain reaction requires a DNA polymerase from a bacterium that lives in hot springs. Tagl telomeraseT7 DNA polymerase Pol III
- Q During the process of DNA replication all the following will occur except:the molecule unzipsthe molecule adds complementary bases to the original strandthe molecule unwinds.extra phosphates are added.
- Q 9. Find the restriction sites and "cut" the DNA in the sequence below. How many bands ofDNA would you see on the electrophoresis gel?BamI (CCT'AGG) --- 5' CCTAG G 3';...
- Q Engineers are often tasked with building structures in places where grasslands and trees once grew. What might be some practical things to include in their building plans to minimize the...
- Q Students set up a controlled experiment. They put five crickets in each of three identical containers. They set one container to 15C, one to 20C, and one to 25C. Then...
- Q If a horticulturist breeding gardenias succeeds in having a single plant with a particularly desirable set of traits, which of the following would be her most probable and efficient route...
- Q Which THREE statements are true about targetting proteins to the nucleus?A) The nuclear localization sequence is emoved after targetting to the nucleus?B) The nuclear localization sequence is ocated almost anywhere...
- Q What stages are involved in the development of a hybrid cultivar? What are three different type of hybrid crosses? What are some advantages and disadvantages of these different types of...
- Q What is not an important requirement for an ideal bone tissue engineering scaffold?A) ceramic-scale stiffnesses.B) None. These are all important.C) bioactivity.D) interconnectivity.E) architecture.F) biocompatibility.
- Q ECOR1 cuts Plasmid T into 3 pieces. Feeling grumpy at your professor (), you decide to take a random enzyme and mix it with a random plasmid, Plasmid M (for...
- Q What is balanced pathogenicity? What happens to the interaction between the host and the virus?
- Q Polymerase Chain Reactionis a method used to separate DNA fragment by size.s a laboratory technique used to make numerous copies of a segment of DNAis a repeated nucleotide sequence in...
- Q In steps 7-10 of the Lab 2 protocol, why does adding SDS, then dding potassium acetate,followed by centrifugation, precipitate the proteins and chromosomal DNA out of solution? Why does the...
- Q The term "true-breeding strain or true-breeding-line" is best describedby which of the following statements about pea plants?A pea plant that when crossed with another pea plant produces the same trait...
- Q 4. A lab report on a patient with a staphylococcus infection has come back showing that staphhas a Kirby-Bauer result of 31 mm for ampicillin. Why must the physician take...
- Q Gizmo Warm-upMany farmers use chemical herbicides to kill weeds and insecticides tokill insects. Using genetic engineering, scientists have developed ways toresist harmful crop pests. In the Genetic Engineering Gizmo, you...
- Q Which of the following regarding proteomics is FALSE?a. Proteomic studies rely upon studying one protein at a time, and use this protein as a model for otherproteins.b. Proteomic studies often...
- Q The figure below shows a snippet of DNA in the process of being replicated. The RNA primer is shown as red while DNA is black. What will happen next? (Hint:...
- Q What is done to the bacteria to help them take up the plasmids in the environment?A Incubate them at 30C instead of 37 degreesB. Mix them with calcium chloride during...
- Q According to the operon model, for the synthesis of an inducible enzyme such as lactose permease to occur, theA. end-product must not be in excess.B. substrate must bind to the...
- Q 10. A culture of Escherichia coli is heated at 60C and a series of samples taken at intervals to determine the numbers of survivors. From the data we can calculate...
- Q How was bacterial contamination prevented in tissue cultures?
- Q Quorum sensing can regulate the production ofO a. Biofilms O b.Bioluminescence O c. Toxins, Biofilms, and Bioluminescence O d. Toxins
- Q The unpaired nucleotides produced by the action of restriction enzymes are referred to asA. sticky ends.B. base sequences.C. single strands.D. restriction fragments.
- Q Southern blot hybridization is based on hybrization/annealing between:A. DNA and RNA.B. DNA and DNA.C. RNA and RNA.D. RNA and protein.
- Q A scientist prepares a smear with bacteria but forgets to heat fix the smear and uses methylene blue to do a simple stain. Do you think that this error would...
- Q Tumor suppressor genes normally code for proteins that inhibit cell division.TrueFalse
- Q How does the field of science gain knowledge and understanding?through the testing of hypothesesthrough deductive reasoningby using the latest technologiesby making value judgments
- Q The technique called fluorescence in situ hybridization (FISH) usesDNA probes with attached fluorescent molecules that indicate specific DNA sequences.lures to pull out specific sequences from their chromosomes.stains to sort chromosomes...
- Q A particular triplet of bases in the coding sequence of DNA is AAA. The anticodon on the tRNA that binds the mRNA codon isUUAUUUTTTAAAeither UAA or TAA, depending on first...
- Q If transporting a substrate across an intracellular membrane is the limiting factor for an enzyme-catalyzed reaction, then the regulatory process would most likely bealtering the number of enzymesregulation by sequestering...
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