Biology, 27.01.2020 21:31 cooljazzy1234
Ascientist finds several hundred fish fossils in the dessert. this evidence best supports which of the following scientific ideas? (3 points)
the fish were left by predatory animals.
the fish evolved limbs for land movement.
the area was once covered in water.
the area was once covered by a glacier.
Answers: 1
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Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
Answers: 1
Ascientist finds several hundred fish fossils in the dessert. this evidence best supports which of t...
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