Biology

question extra credit: which of the following is a function of a trna molecule? responses helping to translate codons into nucleic acids helping to translate codons into nucleic acids recognizing the appropriate anticodons in mrna recognizing the appropriate anticodons in mrna transferring nucleotides to rrna transferring nucleotides to rrna joining to only one specific type of amino acid
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what factors affect the depth of the photic zone (the photic zone is the depth that sunlight travels down the water column)?
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Define the definition: Homozygous
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what are the two groups with the largest total number of species critically endangered and endangered?
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What are stromatolites?a.inorganic polymersb.group of eukaryotesc.colony of cyanobacteriad.bubbles with a membrane
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dihydrodigoxin levels in the culture medium of e. lenta cells would most likely be highest in which data set?
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List two examples of sites where dendrochronologic dating could be used. (think about sites where logs would be present.)
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the pancreas is responsible for the elimination of 95% of ingested alcohol from the body through metabolism. a. true b. false
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Define the definition: Locus
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suppose you had poured iodine on your plate and noticed clearings in the uninoculated area, as well as around both of your transferred cultures. a) what are some possible explanations for this occurrence? b) was integrity of the test compromised? if so, what measures could be taken to avoid this problem in the future?
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you move e.coli that were grown in 15n to 14n media. if dna replication is conservative, what would you predict to see after 20 minutes (1 generation time)?
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in addition to chlorophylls, light-harvesting antennae include other pigments. what is the benefit of these additional pigments?
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describe the movement of light through the eye from the exterior of the eye to the brain, using the following. (optic nerve, iris, pupil, sclera, cones, rods, cornea, retina, lens and vitreous humor).
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which of these conditions would completely prevent the occurrence of natural selection in a population over time? the population size is very large.
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Thomas Hunt Morgan selected Drosophila melanogaster as his experimental organism. List at least three reasons the fruit fly is an excellent subject for genetic studies.
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observe the moon and its position everyday for 2 weeks. Keep track of your observations about the shape (phase) of the moon and its position in the sky. Then compare your observation to the reported tides in your area. Report your findings.
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about 95% of the common lipids/fats found in foods and in the human body fit into this class of lipids : question 8 options: triglycerides phospholipids sterols such as cholesterol saturated fats
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in your botany lab, if you need to quickly differentiate periderm in a section of a plant, what should you look for in abundance?
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some scientists think that certain species of green algae should be in the kindom plantae. what reasons might these scientist use to defend their posistion
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which of the following is an example of an infectious disease that is not a communicable disease? influenza influenza lyme lyme covid-19 covid-19 all of the above
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the thyroid gland has primary responsibility for the fight or flight stress response. true or false?
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Explain each of the following terms: a. aneuploidyb. monosomy c. trisomyd. polyploidy
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What kind of compounds are formed with covalent bonds?Select all correct answers.saltsO lipidsO anionsO proteins
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15Which area in the diagram below representsthe location of a vein on a leaf?* (1 Point)O AO B and CO D and E
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