Biology question and answers for March 25, 2024
- Q The bicarbonate ion HCO3 is an example of a an cation acid solvent base
- Q How often should you flame your loop when doing the streak plate technique don t need to flame the loop at all O only once before you make the 1st...
- Q A streak of bacteria on MacKonkey plate is beige not red This tells you the bacteria does not ferment mannitol ferments glucose ferments lactose ferments mannitol does NOT ferment lactose
- Q Why do we flame the tool loop before and after obtaining the bacteria Prevents the bacteria we obtained from contaminating our lab eg our lab table and anything on the...
- Q extra credit if you need to find out whether an unknown gram negative bacillus shaped bacteria is an enteric or NOT in order to identify it which test would you...
- Q extra credit we want to find out if our bacteria can ferment mannitol into acid however we do not know whether our bacteria is a halophile or not and there...
- Q In the streak plate technique how should the last streak touch the previous one O it should NOT touch the previous streak at all every stroke zorro sign should touch...
- Q The Northeastern Japan Arc is the result of the Pacific Plate and the Okhotsk Plat each other
- Q The bacteria in the question above should be Micrococcus Staphylococcus aureus a species of Staphylococcus that is NOT aureus E coli a gram negative bacteria that ferments lactose
- Q Which of the following tests media requires you to add reagent chemical s AFTER incubation in order to see the results thioglycollate broth Ophenol red broth fermentation broth O decarboxylation...
- Q O Put the bacteria into a special test media like phenol red SIM or decarboxylation broth Do aseptic transfer of the bacteria into nutrient or soy broth or slant Put...
- Q you inoculated an urea agar slant with bacteria The tube does not change color after incubation ie stayed beige your bacteria has which enzyme tyrptophanase decarboxylase NONE of the choices...
- Q You streaked bacteria onto the EMB Eosin Methylene Blue plate The bacterial streak is metallic British Racing green You bacteria is E coli gram positive a bacterium that is able...
- Q Which ingredient allows you to literally see detect the fermentation of the sugar mannitol into acid in the MSA mannitol salt agar plate O methyl red Ophenol red bile salt...
- Q which of the following is NOT a part of aseptic technique flame the opening of the test tube after you put the bacteria into it flame your loop wipe your...
- Q What are simple microscopes O Those that are composed of 2 lenses Those that are not composed of lenses Those that are composed of 1 lens only Those that are...
- Q How could cognitive abilities be advantageous for elephants in the wild
- Q Which sentence describes the speciation of three distinct zebra species from a common ancestor OA The common ancestor could not adapt to changes in the environment and went extinct allowing...
- Q Which plant phylum exhibits double fertilization Explain what two things are fertilized and what the end products of double fertilization are
- Q Which two examples would likely result in an increase in biodiversity A The extinction of a rare orchid found only in the Hawaiian Islands B Sudden environmental change that produces...
- Q Te being ds energy In the lesson you compared two types of biofuels to gasoline Based on what you learned in the lesson evaluate how well the use of biofuels...
- Q Question 3 of 10 Which of the following is an example of temporal isolation OA Groups of toads that mate at different times of year O B Groups of flowers...
- Q What does the science root word synthesis mean A to make incorrectly fake B to spin quickly C to build or make
- Q 95 of people that are 65 and older live independently not in a nursing home or other type of institution O True False
- Q Certain species of parrot cannot be brought to the United States to be sol as pets What is the name of the legislation that makes this illegal Red List O...
- Q Converting a prairie to a farm field is example of exotic species climate change habitat loss O O O overharvesting
- Q 6 points Change the view to a flat map and turn on the gridlines Click on the Sahara Desert near the Tropic of Cancer Click compare and select the tropical...
- Q A mass extinction is defined as O O O a boundary between geological periods a loss of 95 percent of species an asteroid impact a loss of 50 percent of...
- Q 6 8 points On the Biome Viewer return to Grand Prairie TX Match each century with the Anthrome listed for Grand Prairie s temperate grassland biome 1800 1700 1900 2000...
- Q Which of the following is the standard classification for a low birth weight infant 6 1 2 pounds or less 5 1 2 pounds or less 3 1 2 pounds...
- Q Every pregnant woman needs to gain weight in her pregnancy even if overweight obese True False
- Q A mass extinction is defined as a boundary between geological periods a loss of 95 percent of species an asteroid impact a loss of 50 percent of species
- Q Excess of any macronutrient results in fat O True False
- Q wer the BMR except Starvation Malnutrition O Age Smoking
- Q If dietary intake was poor deficiencies in fat soluble vitamins would occur before water soluble vitamins O True False
- Q Why do you think scientists would be interested in studying cognitive behavior in animals
- Q Theis why a speech is needed occasion subject O topic
- Q Define the two terms in your own words Absolutism Divine Right 6S 617 verib
- Q Select the correct answer from each drop down menu Dina is a paleoclimatologist She wants to review documents to assess climate data for her hometown Which historical documents should Dina...
- Q 16 Use the diagram on the right to answer the following questions What is the Law of Superposition At SITE 1 list the layers from youngest to oldest At SITE...
- Q 1 Why is forensic anthropology an important part of forensic science What does this area add to the investigation of crime
- Q 11 The activity of N2RB gene declines in older mice and causes a decline in learning ability Some have suggested that this is beneficial because it means older mice cannot...
- Q In 1998 a team of authors at the Royal Free Hospital and School of Medicine in London reported on a group of 12 pediatric patients with gastrointestinal disorders but who...
- Q A Mediterranean diet characterized by primarily plant based foods olive oil as the primary source of fat low intake of saturated fat moderate intake of fish low to moderate intake...
- Q The six icons shown here are part of a model for understanding global change What does the set of icons represent in the model Population Agricultural Deforestation growth activities reforestation...
- Q When can genetic drift occur B D It can occur in small populations when alleles increase or decrease by chance over time It can occur in large populations when alleles...
- Q Which of the following statements on ecosystem stability is correct B C D Higher biodiversity in an ecosystem provides better stability Multiple keystone species are important to ecological stability Ocean...
- Q Most carbohydrates in the human body are A B OD not easily absorbed in the bloodstream used as building blocks of proteins used as catalysts for reactions in cells consumed...
- Q When a species becomes resistant to a particular pesticide what happens to the percentage of individuals who survive pesticide treatments in each new generation It decreases A B It stays...
- Q In pea plants the allele for tall stems is dominant over the allele for short stems If two heterozygous tall plants are crossed what percentage of the offspring would be...
- Q Unlike nonliving things all living things are made of A atoms O O D energy cells water
- Q Which of the following is found in a cell membrane O microtubules A D B C nucleic acids phospholipids mitochondria
- Q The modern classification system is based on A B C D putting organisms into categories based on where they live putting organisms into categories based on how they reproduce putting...
- Q Which quote from Thoreau s Walden is the best example of the transcendentalist idea of the eternal nature of the soul A 20 Do not trouble yourself much to get...
- Q Question 8 Points 3 A man carries a bag of 10 N to a distance of 1 km The work done by the man is O 10 kJ 10 MJ...
- Q What is the SI unit of work O meter O newton O watt O joule
- Q Question 6 Points 1 Among the list power output which bulb would produce brighter light when switched ON 40 W 10 W 60 W 100 W 40 W O 10...
- Q 1 Joule is equal to O 1 Nm O 1 m O 1Nm O 1 N m
- Q Question 2 If the directions of the force applied on an object and the motion of the object are the same then the work done is O negative O positive...
- Q If the speed of an object is reduced by half its kinetic energy becomes halved doubled one eighth of the original one fourth of the original
- Q 10 Explain why the coefficient of relatedness is important for biologists studying the evolution of altruism
- Q st S d t t d S d sxt Solve for Speed Show all your work units and box your final answer A cyclist covers a distance of 30 km...
- Q 2 Mucin is a protein present in saliva and other secretions When mixed with water it becomes the slippery substance known as mucus Trace the route taken by mucin through...
- Q Which of the following is are examples of impulsive force Hitting a tennis ball with a racket Catching a hard hit ball with a glove O Hitting a golf ball...
- Q In the egg drop experiment when a large egg is dropped onto a piece of 1 inch foam from what height did the egg shatter completely 1 m O 5m...
- Q O a force O the product of the force and the time for which the force acts O the ratio of the force and the time for which the force...
- Q Question 1 An object that has units of momentum must experience 100 units of impulse in order to bring the object to a stop 50 O 100 O 25 Points...
- Q gel run dry before application of the sample 18 T F The most commonly used types of supports for gel filtration chromatography are dextran polyacrylamide and ribulose
- Q A soccer player kicks a 0 4 kg ball that is initially at rest so that it moves with a velocity of 20 m s If the player s foot...
- Q If a particle s kinetic energy is zero what is its momentum O Four O Zero O One O Ten
- Q If the kinetic energy of an object having mass 1 kg is 8 joule what is its velocity O 5 0 m s 1 0 m s O 4 5...
- Q Which of the following expressions for force is correct OF mvt OF mpt O F mv t OF mp t
- Q 26 T F The number 150 in Sephadex G 150 means that it has and exclusion limit of 150 kD kiloDaltons molecular weight x 1000 27 T F The G...
- Q the gel beads 28 If you place a protein with an oblong shape on a gel filtration column why does it appear to be larger than a roughly spherical protein...
- Q Question 9 Points 1 As a car is being pushed down the road it moves forward because of O frictional force unbalanced force gravitational force O balanced force
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