Biology, 15.07.2019 13:40 hardwick744
Apotassium atom may become a potassium ion (k+) by: a. gaining an outer energy level electron b. giving up a neutron c. losing an outer energy level electron d. interacting with another potassium atom
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Biology, 22.06.2019 11:30
Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.
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Biology, 22.06.2019 20:00
Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b.hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.
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Biology, 22.06.2019 20:00
What blood vessels carry blood to the heart? away from the heart?
Answers: 1
Apotassium atom may become a potassium ion (k+) by: a. gaining an outer energy level electron b....
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