Organic Macromolecules: Question Preview (ID: 14262)

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Organic compounds composed of carbon, hydrogen, and oxygen, usually in the ration 1:2:1 and include sugars and starches are called
a) proteins
b) carbohydrates
c) lipids
d) nucleic acids

The main source of energy for cells is ______________ and is produced through the process of ______________ .
a) lipids, respiration
b) proteins, photosynthesis
c) glucose, cellular respiration
d) glucose, photosynthesis

Proteins are large organic molecules composed of smaller building blocks called
a) amino acids
b) lipids
c) saccharides
d) nucleic acids

Genetic information is stored in
a) proteins
b) DNA
c) lipids
d) amino acids

The subunits that make up lipids are
a) amino acids
b) glycerol and fatty acids
c) nucleotides
d) glucose and starches

The subunits that make up nucleic acids are
a) nucleotides
b) amino acids
c) glucose and starches
d) glycerol and fatty acids

Like complex carbohydrates, proteins are biomolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are
a) lipids of large molecules
b) nucleotides of DNA
c) polymers of smaller units
d) sequences of sugars

All of the following are functions of proteins EXCEPT FOR
a) provides building blocks for tissues
b) transports other molecules
c) regulates certain reactions in the human body
d) stores genetic information

The molecules whose primary function is providing rapidly available energy for living things are
a) proteins
b) carbohydrates
c) fats
d) amino acids

Which of the following compounds is an organic macromolecule
a) water - H2O
b) carbon dioxide - CO2
c) sucrose C12H22O11
d) oxygen O2

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