18 Questions
What is the main role of cholesterol in animal cell membranes?
It is a precursor for other steroids synthesis
Which of the following is an anabolic effect of anabolic steroids?
Growth of skeletal muscle
What is the main function of proteins in cells?
Structural support
Which macromolecule accounts for more than 50% of the dry weight of most cells?
Proteins
What are proteins made up of?
Amino acids
What are the building blocks of nucleic acids?
Nucleotides
What process is responsible for constructing macromolecules by covalently bonding monomers?
Dehydration synthesis
What type of reactions break down polymers?
Hydrolysis
How are macromolecules in food broken down in the digestive tract?
Hydrolysis
What is the basis for the vast diversity of life's polymers?
They are built from a limited set of common monomers
Which class of macromolecules serves as fuel and building materials in organisms?
Carbohydrates
What provides the molecular logic for the simple yet elegant construction of unique macromolecules from common small molecules?
Limited set of common monomers shared by all organisms
What is the function of carbohydrates in cells?
Serve as the main energy source for cells and for energy storage
What is the general formula for monosaccharides?
[CH2O]n where n is between 3 and 6
What is the most common monosaccharide?
Glucose
How do monosaccharide isomers differ?
They have the same number of atoms but different structures and properties
Which type of molecules form rings in aqueous solutions?
Carbohydrates
What are the building blocks of more complex sugars and polysaccharides?
Monosaccharides
This quiz provides an overview of the major biological macromolecules including lipids, proteins, nucleic acids, and carbohydrates. Learn about the functions and characteristics of each macromolecule in living organisms.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
