Which of the following statements are false: Some veins have valves that aid in the one-way propagation of blood. Some veins depend on the activity of skeletal muscles to conduct blood. The endothelial lining of veins is smooth. Veins always conduct blood towards the heart. Veins only conduct oxygen poor blood.
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Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
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Biology, 22.06.2019 10:30
Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
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Biology, 22.06.2019 17:10
Drag the tiles to the boxes to form correct pairs. match the causes with their effects cause: tectonic plates at transform boundaries experience friction. cause: tectonic plates at transform boundaries experience friction. cause: earth is covered by a crust that runs miles deep.
Answers: 1
Which of the following statements are false: Some veins have valves that aid in the one-way propagat...
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