Multiple Choice
Which of the following two functions are primary roles of phospholipids in the body?
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4. Biomolecules
Introduction to Biomolecules
Multiple Choice
In the context of biomolecules and mixtures, what type of mixture is chicken noodle soup?
A
Pure substance
B
Colloid
C
Heterogeneous mixture
D
Homogeneous mixture
Verified step by step guidance1
Step 1: Begin by understanding the definitions of the terms provided in the options. A pure substance consists of only one type of particle and cannot be separated into simpler substances by physical means. A colloid is a mixture where particles are evenly distributed but do not settle out, and it often appears cloudy. A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has visibly different components that can be physically separated.
Step 2: Analyze the composition of chicken noodle soup. It contains distinct components such as noodles, chicken pieces, broth, and possibly vegetables, which are visibly different and can be separated physically.
Step 3: Compare the characteristics of chicken noodle soup to the definitions provided. Since the components are not uniformly distributed and can be distinguished visually, it does not fit the criteria for a homogeneous mixture or a colloid.
Step 4: Eliminate the options that do not match the characteristics of chicken noodle soup. It is not a pure substance because it contains multiple types of particles. It is not a colloid because the particles are not evenly distributed and settle out over time.
Step 5: Conclude that chicken noodle soup is a heterogeneous mixture because it contains visibly different components that are not uniformly distributed and can be separated physically.
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