Podcast
Questions and Answers
What is the main definition of biochemistry?
What is the main definition of biochemistry?
- The study of biological systems
- The chemistry of living things (correct)
- The study of lifeless molecules
- The composition of molecules
What is the building block (monomer) of proteins?
What is the building block (monomer) of proteins?
- Amino acids (correct)
- Sugar residues
- Nucleic acids
- Glycerol and fatty acids
Which elements are biomolecules mainly composed of?
Which elements are biomolecules mainly composed of?
- Carbon, oxygen, hydrogen, iron, phosphorous, and sulfur
- Carbon, oxygen, hydrogen, nitrogen, phosphorous, and selenium
- Carbon, oxygen, helium, nitrogen, phosphorous, and sulfur
- Carbon, oxygen, hydrogen, nitrogen, phosphorous, and sulfur (correct)
Why is carbon so predominant in living systems?
Why is carbon so predominant in living systems?
What is a major component of cells?
What is a major component of cells?
What is more abundant in living organisms compared to the rest of the universe?
What is more abundant in living organisms compared to the rest of the universe?
What are the common functional groups present in biomolecules?
What are the common functional groups present in biomolecules?
What forms common linkages present in biomolecules?
What forms common linkages present in biomolecules?
Biomolecules are composed mainly of four nonmetallic elements: carbon, oxygen, hydrogen, and nitrogen.
Biomolecules are composed mainly of four nonmetallic elements: carbon, oxygen, hydrogen, and nitrogen.
Sulfur makes up less than 97% of the weight of most organisms.
Sulfur makes up less than 97% of the weight of most organisms.
Carbon can only covalently bond with up to three other atoms.
Carbon can only covalently bond with up to three other atoms.
Water is not a major component of cells.
Water is not a major component of cells.
Carbon is less abundant in living organisms than it is in the rest of the universe.
Carbon is less abundant in living organisms than it is in the rest of the universe.
The building block (monomer) of proteins is glycerol and fatty acids.
The building block (monomer) of proteins is glycerol and fatty acids.
Common linkages present in biomolecules are sucrose and fructose.
Common linkages present in biomolecules are sucrose and fructose.
DNA and RNA are examples of lipids.
DNA and RNA are examples of lipids.
Nucleic acids are composed mainly of five nonmetallic elements.
Nucleic acids are composed mainly of five nonmetallic elements.
The main definition of biochemistry is the chemistry of inorganic systems.
The main definition of biochemistry is the chemistry of inorganic systems.