Question

What is the composition of the Benedict reagent?

List the basic units of the four major classes of organic molecules

List the four major classes of organic molecules

Please answer all 3 no need to go too much in Depth

Answer 1

1. What is the composition of the Benedict reagent?

10% anhydrous sodium carbonate, 17.3% sodium citrate and 1.73% copper(II) sulphate pentahydrate.

For 100 ml, dissolve 10 g of anhydrous sodium carbonate, 17.3 g of sodium citrate and 1.73 g of copper(II) sulphate pentahydrate and make up to 100 ml using distilled water.

2. List the basic units of the four major classes of organic molecules

Amino acids – Proteins

Monosaccharides (glucose, fructose, galactose, etc.) – Carbohydrates

Fatty acids – Lipids

Nucleotides – Nucleic acids (DNA& RNA).

3. List the four major classes of organic molecules

Proteins,

Carbohydrates,

Lipids, &

Nucleic acids.