Question

Identify the elements present in each of the following macromolecules(4 points)
Carbon Hydrogen Oxygen Nitrogen Phosphorous
Carbohydrate





Protein





Lipid





Nucleic Acid

Answer 1

Here’s a breakdown of the elemental composition of each of the specified macromolecules:

### Carbohydrate
- **Carbon:** Yes
- **Hydrogen:** Yes
- **Oxygen:** Yes
- **Nitrogen:** No
- **Phosphorus:** No

### Protein
- **Carbon:** Yes
- **Hydrogen:** Yes
- **Oxygen:** Yes
- **Nitrogen:** Yes
- **Phosphorus:** No

### Lipid
- **Carbon:** Yes
- **Hydrogen:** Yes
- **Oxygen:** Yes (but in smaller amounts compared to carbohydrates)
- **Nitrogen:** No
- **Phosphorus:** Can be present in phospholipids, but typically, lipids do not contain phosphorus.

### Nucleic Acid
- **Carbon:** Yes
- **Hydrogen:** Yes
- **Oxygen:** Yes
- **Nitrogen:** Yes
- **Phosphorus:** Yes

This summary identifies the presence or absence of these elements in carbohydrates, proteins, lipids, and nucleic acids.