Quiz: Ex2_p1 × MO Mastering Biology Chap × e à Secure https://tmcc.instructure.c

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Quiz: Ex2_p1 × MO Mastering Biology Chap × e à Secure https://tmcc.instructure.com/courses/1133069/quizzes/15. -a t Integral membrane proteins typically contain substantial sections of- can interact with the sections of the lipid bilayer. which i s/are , and therefore 0 charged amino acids // polar interior O polar, uncharged amino acids polar interior @ charged amino acids ff nonpolar hydrophobic 28 polar, uncharged amino acids polar hydrophobic 0 .-helix norpolar hydrophobic D Question 7 1 pts Which of the following should NOT affect the rate of passive movement of molecule X within the cytoplasm? select all that are true hy ld ce the concentration gradient of another uncharged molecule Y across the cytoplasm U the temperature where diffusion is occurring the electric charge on molecule x the concentration gradient of the molecule X across the cytoplasnm the mass of the molecule x

Explanation / Answer

Question 6

Integral proteins have to interact with hydrophobic portions of the membrane, the lipid composed region hence they contain portions of the alpha helix which are non-polar so as to have stabilized hydrophobic interactions, so the answer is the last option

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