18 Questions
What is the main definition of biochemistry?
The chemistry of living things
What is the building block (monomer) of proteins?
Amino acids
Which elements are biomolecules mainly composed of?
Carbon, oxygen, hydrogen, nitrogen, phosphorous, and sulfur
Why is carbon so predominant in living systems?
Due to its ability to bond with up to four other atoms
What is a major component of cells?
Water
What is more abundant in living organisms compared to the rest of the universe?
Carbon
What are the common functional groups present in biomolecules?
Alcohols, esters, amines
What forms common linkages present in biomolecules?
Covalent bonds
Biomolecules are composed mainly of four nonmetallic elements: carbon, oxygen, hydrogen, and nitrogen.
False
Sulfur makes up less than 97% of the weight of most organisms.
True
Carbon can only covalently bond with up to three other atoms.
False
Water is not a major component of cells.
False
Carbon is less abundant in living organisms than it is in the rest of the universe.
False
The building block (monomer) of proteins is glycerol and fatty acids.
False
Common linkages present in biomolecules are sucrose and fructose.
False
DNA and RNA are examples of lipids.
False
Nucleic acids are composed mainly of five nonmetallic elements.
False
The main definition of biochemistry is the chemistry of inorganic systems.
False
This quiz provides an introduction to biochemistry for nurses, covering the definition of biochemistry and the composition of biomolecules. It discusses how molecules, such as amino acids, sugars, nucleic acids, and lipids, form the building blocks and macromolecules that compose living things.
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