which biomolecules are found in all organisms?
my choices are
a. glucose,maltose,fructose,sucrose
b. cholesterol,phospholipid,cellulose,gibberellin
c.chlorophyll,chitin,pepsin,glycogen
d.adenine,cytosine,thymine,guanine
i’m thinking a
Ah, biomolecules, the building blocks of life, or as I like to call them, the "MVPs" (Most Valuable Players) of the organism world. So, when it comes to the "All-Stars" that every organism can't live without, we're talking about carbohydrates, lipids, proteins, and nucleic acids! They're like the Fab Four of the biological world, always working together to keep everything in order. So, you could say these biomolecules are the superstars that make life "rock and roll"!
The biomolecules found in all organisms are carbohydrates, lipids, proteins, and nucleic acids. These biomolecules are essential for the structure, function, and regulation of cells.
To determine these biomolecules, you would generally need to conduct biochemical analyses on the organisms. Here are some methods to identify each biomolecule:
1. Carbohydrates: To identify carbohydrates, simple chemical tests like the Benedict's test or the iodine test can be performed. Benedict's test detects reducing sugars (monosaccharides and some disaccharides), while the iodine test is used to identify the presence of starch (a complex carbohydrate).
2. Lipids: Lipids are often identified by their solubility in organic solvents like ether or chloroform. Additionally, the appearance of a translucent spot on a filter paper or a greasy, translucent appearance when mixed with water can suggest the presence of lipids.
3. Proteins: The presence of proteins can be determined through various methods. The biuret test is a common method that can detect the presence of proteins, yielding a pink or purple color when a copper sulfate solution is added to a sample containing proteins.
4. Nucleic acids: Nucleic acids can be identified through techniques like gel electrophoresis or polymerase chain reaction (PCR). These methods allow the visualization and amplification of DNA or RNA fragments, providing evidence for the presence of nucleic acids.
Keep in mind that these are general methods used to identify biomolecules. There are more advanced techniques available for specific analysis and isolation of each biomolecule.