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if urea isn't excreted by urine where does it go?

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The cell fusion experiment using heterokaryons provided evidence that (mod 1 topic 10membrane proteins are able to move laterally across the cell surfacethe viruses cause proteins to move from the inside of the cell to the outside of the cellthat phospholipids are held in place and unable to move laterally in the membranethat cell membrane are either red or green depending on the virusthat phospholipids are able to flip from the outside to the inside of the cell

Select the two pieces of evidence indicating that base stacking contributes more to DNA helix stability than does base pairing through hydrogen bonds. (mod2 topic1)even though the number of hydrogen bonds formed between bases in the double helix is the same as the number of hydrogen bonds formed between bases and water, the double helix is favoredbase stacking energies are distinctly different between G:c/C:G and C:G/C:Gbase stacking energies distinctly different between G:T/C:G and T:G/C:G base pairsbase stacking energy are identical between G:C/C:G and C:G/C:G base pairsincreased temperature disrupts hydrogen bonds but does not disrupt base stackingeven though the number of hydrogen bonds formed between bases in the double helix is the same as the number of hydrogen bonds formed between bases and water neither the double helix not the single strand conformation is favored

A restriction enzyme makes a ______________strand break in DNA, which can have a 5' or 3' overhang, or in some cases a _____________end. The restriction enzymes do not degrade bacterial genomes because for every endonuclease there is also a corresponding sequence-specific _______________enzyme to protect the bacterial DNA from cleavage. (mod2 topic5)double; blunt; methylasedouble; 2' overhang; methylasedouble; blunt; phosphorylasesingle; blunt;methylase

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