lecture 7

Question 1

steps in nutrient processing not completed by digestive system

Answer 1

distribution

Question 2

combustion reactions involve:

Answer 2

reactions of molecules with oxygen

Question 3

cell has a choice to use to use. glucose, protein, or fat the cell prefers :

Answer 3

glucose

Question 4

considered a micronutrient

Answer 4

vitamin

Question 5

using food molecules to produce ATP’s inside tissue cells is referred to as :

Answer 5

cellular respiration

Question 6

which step in respiration of glucose is irreversible ?

Answer 6

production of pyruvate in acetyl group

Question 7

what process in glucose respiration does not require oxygen

Answer 7

glycolysis

Question 8

at the end of glycolysis, 1 glucose molecules yields

Answer 8

2 atp molecules

Question 9

pyruvate is the product of

Answer 9

glycolysis

Question 10

when animal cells do not receive adequate oxygen they can use glucose anaerobically. Anaerobic respiration of glucose yields :

Answer 10

2 atp

Question 11

byproduct of anaerobic respiration must be removed from cells, recycled, and turned back into glucose by the liver, this process is called :

Answer 11

gluconeogenesis

Question 12

anaerobic respiration of glucose in muscle cells results in the production of :

Answer 12

lactic acid

Question 13

aerobic respiration of 1 glucose molecule can yield up to :

Answer 13

38 ATP’s

Question 14

which of the following organs belong with the digestive system, but is not part of the ALIMENTAL CANAL

Answer 14

gall bladder

Question 15

what is not a function of the stomach

Question 16

water and electrolytes are absorbed in

Answer 16

colon

Question 17

the bile necessary for digestion and absorption of lipids is produced by :

Answer 17

small intestine

Question 18

sphincter that controls the rate of passing of the chyme from stomach into duodenum is called :

Answer 18

pyloric sphincter

Question 19

role of the villi in the small intestine is :

Answer 19

increase surface area of the small intestine