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SMU BIOLOGY 1301 MIDTERM EXAM 1 QUESTIONS AND VERIFIED ANSWERS

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SMU BIOLOGY 1301 MIDTERM EXAM 1 QUESTIONS AND VERIFIED ANSWERS

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What type of bonds form from the unequal sharing of electrons?


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polar covalent




Covalent bonds between sulfhydryl groups in one polypeptide chain contributed to
the ____________ structure of the protein.

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Tertiary (check answer)


(wrong = alpha-helix)




The key structural difference between DNA and RNA is


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DNA contains a different sugar than RNA




Isotopes differ from one another in the number of electrons they have.


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False




What is the difference between covalent and hydrogen bonds?


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Covalent bonds involve the sharing of electrons between atoms, and
hydrogen bonds involve the sharing of a hydrogen atom between two
molecules.

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