Tag: biology

Non-essential fatty acids are those fatty acids that the body can synthesize on its own. Essential fatty acids are those fatty acids that are required by the body but it cannot synthesize. There are two essential fatty acids, linoleic and alpha-linolenic acid. These must be obtained from food. 

Because riboflavin is an orange-yellow compound, so cow's milk appears slightly yellowish.

The body temperature in cold blooded varies with that of the environment as there is no fat deposition. On the other hand, cold blooded animals use fat during hibernation to carry out their metabolic processes.

Unsaturated fats are liquid at room temperature as they have double bonds. Saturated fatty acids have single bond and are solid at room temperature. Polyunstaurated fats are good for health as they boost up the good cholestrol level. As they are liquid so they do not choke the blood vessels and they are easily metabolized. Polyunsaturated fats include omega-3 and omega-6 fats. These are essential fatty acids that the body needs for brain function and cell growth.

Obesity is an abnormal increase in the proportion of fat cells mainly in the viscera and subcutaneous tissues of the body.

Bile salts are essential for the emulsification of fats, which breaks large fat globules into smaller droplets to increase the surface area for lipase enzymes to act upon.

Retinol is Vitamin A, which is fat soluble. A deficiency in Vitamin A leads to xerophthalmia, a condition characterized by dry eyes and potential blindness.

Bile salts emulsify fats (a physical process aiding digestion) and also form micelles, which are necessary for the absorption of fatty acids and monoglycerides across the intestinal wall.

Fats are energy dense, providing approximately 9 kcal/g (often cited as 9.3 kcal/g), whereas carbohydrates and proteins provide approximately 4 kcal/g.

The excess carbohydrates and proteins are stored in the body as fats. It gets converted into energy during excessive physical work. Essential fatty acids are those fatty acids which play an important role in the biological process and they can be metabolized easily. These acts as a fuel rather getting deposited as fat in the body. The human body cannot synthesize essential fatty acids. Unsaturated fats are liquid at room temperature as they have double bonds. The essential fatty acids are unsaturated as they have double bonds. Saturated fatty acids have the single bond and are solid at room temperature.