Why is fat said to be 4 times energy dense than the carbohydrates?

What is the difference between saturated and unsaturated fats? It's ok to list--no need to write full sentences for this one.

Monosaccharides should always have at least two hydroxyl group. True or False? Monosaccharides can have two or more aldehyde groups in one structure. True or False? Both aldehyde group and ketone group are always present in a monosaccharide. True or False? All carbons of monosaccharide should have at least one hydroxyl group. True or False?

Hello Ma'am/Sir, can you determine the statements belower whether they are true or false? Please leave a brief explanation. Thank you! 1. Oils are liquids in room temperature while fats are solid in room temperature.2. Unsaturated fatty acids form triglycerides that are generally solid at room temperature.3. You can draw lipids using line structures. 4. Unlike carbohydrates the structure pattern for lipids is non-existent.5. Lipids and Fats are important to function properly.

Glycerin, bound to three fatty acids, forms a ____ fat, which is also called neutral fat.   cholesterol  steroid  triglyceride phospholipid

What is the molecular structure responsible for creating differences between saturated and unsaturated fats? Double and Triple Bonds Polar Covalent Bonds O Hydrophobicity O Nonpolar Covalent Bonds