Biology

The height of a yarrow plant (Achillea millefolium) depends on its genotype and the altitude at which it is raised. Suppose that one of the genotypes produces plants that are tall at low and high elevations and short at medium elevations. In this case we might conclude that the genotype codes for the __________ for the yarrow plant.Select one:a. variation range of heightb. norm of reaction for heightc. altitude reaction of heightd. flower color
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Think about the work you completed in your reading role. Determine the ideas that would bemost worthy to share in a literary discussion about Johnny Themain Provide an explanation foryour choices. How did the role you selected and the work you completed help you tounderstand more about the text? Support your response with at least two pieces of evidencefrom the novel
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PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!! How does crossing over help create daughter cells that are different?
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The rhythmic, wavelike motion produced by smooth muscles in tubular visceral organs is called _______.
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Theoretical and experimental measurements show that in many cases, the contributions of ionic and hydrogen-bonding interactions to H for protein folding are close to zero. Provide an explanation for this result. (Hint: Consider the environment in which protein folding occurs.)The formation of favorable ______ ionic or ________ interactions in a _________ protein replace interactions between solvent (water) and the ionic species (or _________donors and acceptors) in the _________ state. The favorable H obtained by formation of ____________ bonds in the ___________ protein is offset by the energy required to ___________ many interactions, with solvent going from the ________ to the ________ state.Fill in the blanks above using the words listed below.H-bondingH-bondintermolecularrestoreunfoldedfoldedC-bondbreakintramolecularC-bonding
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Which is the largest Zone in the ocean?A. Intertidal B. Neritic C. Oceanic
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In addition to naming species, Linnaeus also grouped species into a hierarchy of increasingly inclusive categories. The largest category that would include closely related species is:_______. A) genus. B) class. C) order. D) domain.
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. An inoculated thioglycolate medium culture tube is clear throughout the tube except for dense growth at the bottom of the tube. What is your conclusion?The organisms are obligate anaerobes.The organisms are facultative anaerobes.The organisms are aerotolerant.The organisms are obligate aerobes.
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The Greenhouse Effect is terrible for the planet Earth and the environmentscontained here.True(False
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What types of questions could a researcher investigate using a computer model of the enzyme Maltese
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Who determined that involved traits are determined by discrete factors? In what year?
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describe how each factor contributes to the genetic diversity of sexually reproducing organisms
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Douglas fir, redwood, spruce, and cedar are trees adapted to survive in areas with heavy precipitation.In which climatic zone would these trees be found? A marine west coast B Mediterranean C humid subtropical D steppesIt's either A marine west coast, or C humid subtropical.
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A woman with Type O blood and a man who is Type AB are expecting a child. What are the possible blood types of their baby? Show your work with a Punnetts.
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Traumatic experiences that occurred long ago are known as _____ stressors. Group of answer choices hidden life-changing distant naturalistic time-limited
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Which definition is the best for semipermeable membrane?It is a barrier that prevents materials from moving from one side to the other.(a)It is a barrier that allows materials to move freely from one side to the other.(b)It is a barrier with tiny openings that let some, but not all, materials pass through.(C)It is a barrier that helps materials move from one side to the other.
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Which blood cell type is elevated at birth but decreases to adult levels during the first year of life?
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The waters off the coast of France are cold. Which of the following is the best explanation? The gyre rotates counterclockwise, bringing cold water from the south. The gyre rotates counterclockwise, removing warm water from the south. The gyre rotates clockwise, bringing cold water from the north. The gyre rotates clockwise, removing warm water from the north.
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The activity of two enzymes, pepsin and trypsin, are shown here. These are two enzymes involved in the digestion of food in the stomach and small intestine. At which pH would the activity of both enzymes have the same catalyzing rate? A)3 B)4 C)5 D)8
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A pluripotent stem cell _____.a. can develop into a new organism if placed in a womb after its first four divisions during fertilizationb. can differentiate as one type of cell onlyc. is an adult stem celld. does not have the ability to develop into a new organism, but can give rise to any of the cell types in a bodye. can allow regeneration of human body parts such as limbs
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"Using careful experimental design, Blehert and colleagues proved definitively that the fungus Geomyces destructans is the cause of white nose syndrome."
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WILL GIVE BRAINLIEST TO THE RIGHT ANSWER!!!A maglev train uses powerful magnets to lift the train above the tracks as it moves forward. Such a design reduces what following force.A rolling friction B gravityC air resistanceD fluid friction
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The body tubes are long, semi-rigid tubes, usually made of _______________________chloride or some other type of plastic. A typical ET tube has nine basic parts. The proximal end (sticking out of mouth) has a standard ________ mm adaptor.
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Dr. Martin has just asked a potential client to talk about herself. As she responds, the doctors next question is based on some interesting point the client made. There are few constraints on the conversation. Dr martin has just conducted an
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