Review questions, Oct 9

 

1.      People with hypercholesterolemia have a high risk of developing heart disease because

a.      they eat too much fat

b.      their bodies produce an excess of LDL (bad cholesterol)

c.      they cannot make HDL (good cholesterol)

d.      they do not exercise to maintain healthy life

e.      they have fewer LDL receptors

 

2.      In cellular respiration, chemical energy in glucose is released by _________ reactions.  This energy is used for __________ reactions of generating ATP.  Hydrogen carriers such as ________ help the energy transfer process.

a.      endergonic ...........exergonic .......... oxygen

b.      endergonic ........... exergonic ......... NAD⁺

c.      exergonic .............endergonic ......... oxygen

d.      exergonic .............endergonic  ........ NAD⁺

e.      exergonic ............. endergonic ........ ADP

 

3.      During cellular respiration, carbon dioxide is produced in the process of ________, which is performed ____________.

a.      glycolysis.............. in the cytosolic fluid

b.      the Krebs cycle.............. in the mitochondrial matrix

c.      electron transport chain and chemiosmosis ............... at the cristae of mitochondria

d.      fermemtation .................in muscle cells

e.      the Calvin cycle .............. in the stroma of chloroplasts

 

4.      During cellular respiration, most ATP molecules are generated through the process of ____________, which is performed ____________.

a.      glycolysis.............. in the cytosolic fluid

b.      the Krebs cycle.............. in the mitochondrial matrix

c.      electron transport chain and chemiosmosis ............... at the cristae of mitochondria

d.      fermemtation .................in muscle cells

e.      the Calvin cycle .............. in the stroma of chloroplasts

 

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