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During the protein metabolism, amino group of the amino acids is removed and forming…….
a) urea                        
b) ammonia
c) uric acid                 
d) nitrogen

b

Explanation: the remaining molecule enters the Kreb’s cycle


During fat metabolism, glycerol is converted into……
a) PGAL                    
b) PGA
c) PEP                        
d) pyruvic acid

a

Oleic acid is a fatty acid with 18 carbon atom. It breaks down into how many acetyl groups during metabolism?
a) 2                                         
b) 3
c) 9                                         
d) 19

c

Explanation: acetyl is 2-carbon compound entering the Kreb’s cycle

Oleic acid is a fatty acid with 18 carbon atom. It breaks down into two acetyl groups during metabolism.


How many estimated ATP molecules will be produced from nine acetyl groups?
a) 72                           
b) 36
c) 108                         
d) 54

c

Anaerobic Respiration:


The incomplete breakdown of glucose without the utilization of oxygen is called
a) aerobic respiration
b) photorespiration
c) anaerobic respiration                   
d) chemorespiration

c

Explanation: also called fermentation



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