Biology question and answers for February 21, 2024
- Q Fetch isnone of thesethe circular pattern made by water particles when a wave passesthe distance between the trough of a wave and the still water levela method of shoreline erosion...
- Q Sea level has changed 23 times during the history of the Earth.TrueFalse
- Q Inhibitors of Cell Wall SynthesisEthambutolInhibits incorporation of mycolic acid into the cell wallIsoniazid (INH)Inhibits the mycolic acid synthesis in mycobacteriaUsed together to treat tuberculosis (synergism)Would these drugs be effective againstnon-mycobacteria?
- Q Which one of the following best describes Lysol?bactericidal agentsanitizing agentsterilizing agentbacteriostatic agent
- Q "You need to understand scientific research only if you plan to become an scientist." Discuss why this statement is flat out wrong.
- Q Perform the following calculation. How many significant figures are in your final answer? Report your answer to the correct number of significantfigures.1.90 3.0+ 2.657
- Q Minerals are classified into groups primarily on a basis ofO hardness; hard, soft, and medium are the three primary classesO number of cleavage sets presentO chemistry, specifically the cations within...
- Q Which of the following minerals is softest?O calciteO feldsparO corundumO quartzO augite
- Q Which of the following is a sedimentary rock?dioritephylliteslateandesiteflinthornfelsgabbro
- Q The asthenosphere ishot and weakhot and strongcool and strongcool and weak
- Q How old are the oldest rocks in the oceanic crust?400 million years300 million years200 million years500 million years.100 million years
- Q Question 16If global consumption remains the same, Earth will run out of conventional oil resources about2160212022002080
- Q During endochondrial ossificationO bone replaces a cartilage model.O bone matrix is deposited within a membrane.O bone matrix is slowlly secreted on the outside surface of a long bone.O bone matrix...
- Q In this lab, you will simulate birds with threedifferent beaks. After watching the birds feed, youwill remove fruit to simulate a change in theenvironment. What question are you answering bydoing...
- Q Which is more superficial?O scalpO skull
- Q Griffiths experiment showed that heat killed S strain of Streptococcus pneumonia transferred DNA to live R strain and killed mice. This procedure of DNA transfer is know as:transformationtransductionconjugationall of these
- Q A 24 hour Bacillus subtilis culture is LESS susceptible to UV irradiation than 72 hour culture.TrueFalse
- Q Gene transfer in bacteria by conjugation has the following characteristics:a majority of the donor genes are transferredOit involves a plasmidO it depends on phage infection of the recipient cellO it...
- Q Leukocidins that are toxic to WBCs usually produced by Streptococcus & Staphylococcus are examples of antiphagocytic factorsTrueFalse
- Q Which of the following best describes Germany in 1848, before the March Revolution? A. A single, unified kingdom ruled by a prime minister. B. A confederation of states, led by...
- Q Bacteria that are resistant to penicillin and related antibiotics produce an enzyme calledkeratinasebenzenaselactasepenicillinase
- Q Pasteurization is a sterilization procedure commonly used by the dairy industry.O TrueO False
- Q radiation induces mutations because it causes abnormal bonds to form in the DNAX-raygamma raysultraviolet raysinfrared
- Q Those opposed to the Charter of 1814 were called A. liberals B. rationalists C. ultra-royalists
- Q Bacterial growth that completely covers the surface of a broth tube is termed a pellicle. This implies that the bacteria andobligate anaerobesobligate aerobesfacultative anaerobesaerotolerant anaerobes
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