132 ch 36 homework BB

132 ch 36 homework BB - Biology132 Ch.36homework

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Biology 132 Ch. 36 homework   MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question. 
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Arrange the  following  five events  in an order  that explains  the mass  flow of  materials in  the phloem. 1. Water  diffuses into  the sieve  tubes. 2. Leaf cells  produce  sugar by  photosynthes is. 3. Solutes  are actively  transported  into sieve  tubes. 4. Sugar is  transported  from cell to  cell in the  leaf. 5. Sugar  moves down  the stem. 
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1)  _______  A)  4, 2, 1, 3, 5  B) 
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1, 2, 3, 4, 5  D) 
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2, 4, 3, 1, 5  E) 
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2, 1, 4, 3, 5   
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Ignoring all  other  factors, what  kind of day  would result  in the fastest  delivery of  water and  minerals to  the leaves of  a tree? 
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2)  _______  A)  very hot, dry,  windy B) 
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cool, humid day  D) 
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warm, humid day  E) 
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cool, dry day   
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Which of the  following is  not  function of  the plasma  membrane  proton  pump? 
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3)  _______  A)  produces a proton  gradie B) 
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hydrolyzes ATP  D) 
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equalizes the charge on  each side of a membrane  E) 
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generates a membrane  potential   
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Which  structure or  compartmen t is  not  part  of the plant's  apoplast? 
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4)  _______  A)  the cell wall of a  root ha B) 
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the lumen of a sieve  tube  D) 
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the cell wall of a  mesophyll cell  E) 
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the cell wall of a  transfer cell    TRUE/FALSE.  Write 'T' if the statement is true and 'F' if the statement is false. 
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Transpiratio n raises  water  potential in  the leaf by  producing a  positive  pressure  potential.  This higher  water  potential  draws water  from the  xylem. 
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5)  _______    MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or  answers the question.  6
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Active  transport  would be  least  important in  the normal  functioning  of which of  the  following  plant tissue  types? 
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6)  _______  A)  stem xylem  B) 
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132 ch 36 homework BB - Biology132 Ch.36homework

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