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Biology Unit 2 – Macromolecules Test Questions With Correct Answers

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Biology Unit 2 – Macromolecules Test Questions With Correct Answers Amino acids are the monomers of proteins. Which functional group in the amino acid determines its specific shape and function? - answerR group In humans, excess blood glucose is stored in the liver and in muscle tissue in the...

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  • October 18, 2024
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  • Exam (elaborations)
  • Questions & answers
  • Macromolecules
  • Macromolecules
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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



Biology Unit 2 – Macromolecules Test
Questions With Correct Answers


Amino acids are the monomers of proteins. Which functional group in the amino acid determines

its specific shape and function? - answer✔R group


In humans, excess blood glucose is stored in the liver and in muscle tissue in the form of

glycogen. Glycogen is a long chain of glucose molecules bonded together. Because of this,

glycogen is called a _____________________. - answer✔polysaccharide


Receptors that are __________ bind to chemicals outside of the cell, and this binding process

causes a chemical response on the inside of cells. - answer✔proteins


Steroids are classes of lipids that include cholesterol, sex hormones, and cortisone. Steroids are

not hydrocarbon chains like triglycerides, but instead contain four fused carbon rings. Although

steroids can bond to fatty acids, steroid molecules do not contain a fatty acid chain, and the

monomer of a steroid biomolecule is difficult to define. Which of these does NOT correctly pair

a steroid and its function? - answer✔Cholesterol is an energy source.


Students in biology are studying the macromolecules of life. They used a calorimeter to

determine the calories in various types of food. Once the lab was completed, the students ate the

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


left over food samples. Monica commented that in just 6 or 7 "chews" of the saltine, it was gone;

nothing but a sticky paste in her mouth. Elaborate on what happened chemically while chewing

the saltine. Include the macromolecules present. - answer✔The saltine is a carbohydrate. and

digestion took place in Monica's mouth thanks to enzymes or proteins. The blueprint for these

proteins is located on nucleic acids

The biomolecule described is a

· cell membranes

· large biomolecule

· many high energy bonds

· nonpolar covalent bonds

· includes waxes and steroids

· consists mainly of carbon and hydrogen


· more energy per gram than other biomolecules - answer✔lipid


The level of protein structure that involves interactions between the side chains of the amino

acids rather than interactions between molecules within the backbone is: - answer✔tertiary


The molecular sequence, or blueprint for a protein, is originally carried by which molecule? -

answer✔DNA

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