What is the intermediate product formed by pyruvic acid during alcoholic fermentation?

a. Ethanol
b. Carbon dioxide
c. Lactic acid
d. Formic acid
e. Acetaldehyde


Ans: e. Acetaldehyde

Biology & Microbiology

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Which of the following is NOT true of the organ at letter "A"?

a. filters water from the blood b. reclaims solutes c. produces adrenalin d. excretes urine e. has connections to the circulatory system

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When erythrocytes are in the capillaries of the lungs, O2 diffuses ________ and is bound to ________

Fill in the blank with correct word.

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Saturated fatty acids are so named because they are saturated with ________

A) hydrogen B) nitrogen C) carbon D) oxygen

Biology & Microbiology