Any substance that must be provided to an organism is known as an
essantial nutrient
What are the essential nutrients
CHONPS
C- Carbon
H-Hydrogen
O-oxygen
P-Phosphate
S= Sulfur
What are other IMPORTANT nutrients but not essential nutrients?
- Sodium(Na)
-Calcium (Ca) - Magnesium (Mg)
-Iron (Fe)
Sodium is important for
cell transport
stabilizer of cell wall and endospores of bacteria
Calcium
component of chlorophyll and a stabilizer of membranes and ribosomes
Magnesium
Iron (Fe): important component of the
cytochrome proteins of cell respiration
What are the macronutrients(required in relatively large quantities ) that play a principle role in the cell structure and metabolism?
Carbon, hydrogen, and oxygen
What are inorganic nutrients and where are they found?
- An atom or simple molecule that contains a combination of atoms other than carbon and hydrogen
- Found in the crust of the earth, bodies of water, and the atmosphere
Micronutrients are also known as ________: They are present in small amount and are involved in what? Give example
- AKA trace elements
- involved in enzyme functional maintenance of protein structure
- Examples: manganese, zinc, and nickel
What makes organic nutrients organic? What are some simple organic molecules?
- Contain carbon and hydrogen atoms and are the products of living things
- Simple organic molecules such as methane, large polymers (carbohydrates, lipids, proteins, nucleic acids
What is the chemical anaysis of the microbial cytoplasm?
- Water- 70%
-proteins
CHONPS
oganic compounds
Are most chemical elements available to the cell as compounds or pure elements?
-compounds
