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Biology, 12.11.2020 18:50 crystalclear99
A student builds a model of a DNA strand.
BO
Which of these models of a DNA strand shows bases that are complementary to the ones on
the student's DNA model?
Biology
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Answers: 2
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4. discuss additional factors that some planets have that affect their seasons. 5. what fact about other planet’s seasons most surprised you and what did you find the most interesting? why?
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Biology, 21.06.2019 16:00
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
Answers: 2
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A student builds a model of a DNA strand.
BO
Which of these models of a DNA strand shows base...
Which of these models of a DNA strand shows base...
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