Multiple Choice
When yeast is mixed with carbohydrates and liquid, which process primarily occurs?
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1. Introduction to Microbiology
Introduction to Microbiology
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Which one of the following substances is normally found in urine?
A
Protein
B
Glucose
C
Urea
D
Hemoglobin
Verified step by step guidance1
Understand the composition of normal urine: Urine is primarily composed of water, electrolytes, and waste products filtered from the blood by the kidneys.
Recall that proteins are generally too large to pass through the kidney's filtration barrier, so they are not normally found in urine unless there is kidney damage.
Recognize that glucose is usually reabsorbed completely by the kidneys, so it is not present in normal urine; its presence may indicate conditions like diabetes.
Identify urea as a waste product formed from the breakdown of proteins in the liver, which is normally excreted in urine.
Note that hemoglobin is a component of red blood cells and is not normally found in urine unless there is hemolysis or kidney damage.
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