Biology Questions

A gene is a subunit of information on a chromosome true or false?
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Which of these features is most likely to have been formed by flowing water? sand dune canyon u-shaped valley root pry
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What BEST describes the DNA in two daughter bacteria cells? A. halved B. doubled C. identical D. unrelated
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Which was Ventor’s contribution to science? discovered the existence of single-celled A)organisms B)invented the light microscope C)discovered the structure of DNA D)invented a synthetic cell
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Which part of the earth system contains the air we breathe? Atmosphere Lithosphere Hydrosphere Magnetosphere
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How can two molecules with the same chemical formula react differently?
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what fat has only single bonds between the carbon atoms in the fatty acid? A-saturated B-unsaturated C- polyunsaturated D-monounsaturated
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Which of the following is an example of natural erosion?a.ice forming in cracks of rocksb.acid rain falling on sidewalksc.waves washing over rocks on the beachd.water washing away soil in an area used by off-road vehicles
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The mathematical chance that something will happen is called what ?
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If thermohaline circulation were blocked, perhaps by plate tectonics, what would happen?Nothing would change.Global climate would be significantly affected.Coastal areas would warm up.There would be an increase in precipitation.
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Why is DNA called the blueprint of life?
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What is one advantage of having many small cells instead of one large cell?
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How is it possible that over 20 million living organisms on the planetare made up of only 5 types of nucleotide bases arrange in long chains
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Which statement is one component of the cell theory?
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hich takes places as a result of double fertilization in an angiosperm? Double fertilization produces a triploid zygote and diploid endosperm. Double fertilization produces a diploid zygote and triploid endosperm. Double fertilization produces a triploid zygote and a triploid endosperm.
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The mental process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and evaluating information to reach an answer or conclusion is called __________.
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The species name of the African elephant is Loxodonta africana. In the species name, africana is the __________. a. family b. genus c. specific epithet d. domain
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In the three domain system, which of the following domains includes organisms from more than one kingdom?a.Bacteriab. Eukaryac, Archaea
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