is a starch a complex carboydrate

Yes. Their plant origin completes a set of 300-1000 sugar units.

So yes.

Hey thanks.

Yes, starch is a complex carbohydrate.

To understand why starch is classified as a complex carbohydrate, let's break down the term "complex carbohydrate". Carbohydrates, or carbs, are one of the three main macronutrients found in food, alongside proteins and fats. They are the body's primary source of energy.

Carbohydrates can be classified into two main categories: simple carbohydrates and complex carbohydrates. Simple carbohydrates are made up of one or two sugar molecules, while complex carbohydrates are made up of long chains of sugar molecules.

Starch, specifically, is a complex carbohydrate composed of multiple glucose molecules joined together in a long chain. It is the primary energy storage molecule in plants and is found in various plant-based foods, such as grains (e.g., rice, wheat), legumes (e.g., beans, lentils), and tubers (e.g., potatoes).

To determine whether a substance is a complex carbohydrate like starch, you need to examine its chemical structure. In the case of starch, it consists of amylose and amylopectin, which are both forms of glucose polymers. The branched structure of amylopectin gives starch its characteristic properties, such as the ability to be broken down into glucose molecules during digestion.

In summary, starch is considered a complex carbohydrate due to its long chain structure composed of glucose molecules.