2.1.2 c) Chemical elements that make up biological molecules Flashcards
What are the 6 important chemical elements?
Carbon
Hydrogen
Oxygen
Nitrogen
Sulfur
Phosphorus
What elements are used to create a carbohydrate ?
Carbon
Hydrogen
Oxygen
What elements are used to create a lipid ?
Carbon
Hydrogen
Oxygen
What elements are used to create a protein?
Carbon
Hydrogen
Oxygen
Nitrogen
Sometimes sulfur
What elements are used to create nucleic acids ?
Carbon
Hydrogen
Oxyegn
Nitrogen
Phosphorus
What is an ion ?
An atom with charge
What is a cation?
Cations are positvely charged ions
How many important cation are there ?
5
What are the important cations ?
Calcium ions 2+
Sodium ions
Potassium ions
Hydrogen ions
Ammonium ions
What are calcium ions necessary for ?
Nerve impulse transmission and muscle contraction
What are sodium ions necessary for ?
Nerve impulse transmission and kidney function
What are potassium ions necessary for ?
Nerve impulse transmission and stomatal opening
What are hydrogen ions necessary for ?
Catalysts if reactions and pH determination
What are ammonium ions necessary for ?
Production of nitrate ions by bacteria
What is an anion ?
Anions are negative charged ions