Press "Enter" to skip to content

How does glucose have two isomers?

Glucose has two isomers, α-glucose and β-glucose, with structures: Polysaccharides are formed by the condensation of many glucose units. Glycogen and starch are formed by the condensation of α-glucose. Cellulose is formed by the condensation of β-glucose.

What are macromolecules give two examples?

Plastics, resins, many synthetic and natural fibres (e.g., nylon and cotton), rubbers, and the biologically important proteins and nucleic acids are among many substances that are made up of macromolecular units. Insulin, a protein hormone, is an example of a macromolecule.

What are macromolecules give some examples?

The most common macromolecules in biochemistry are biopolymers (nucleic acids, proteins, and carbohydrates) and large non-polymeric molecules such as lipids and macrocycles. Synthetic fibers and experimental materials such as carbon nanotubes are also examples of macromolecules.

Is a chromosome bigger than a macromolecule?

The DNA which carries genetic information in cells is normally packaged in the form of one or more large macromolecules called chromosomes.

What foods are macromolecules found in?

Protein

  • Meat and meat products (beef, chicken, lamb, pork or kangaroo)
  • Fish and seafood.
  • Eggs.
  • Dairy food such as milk and yoghurt (also carbohydrate)
  • Beans and pulses (also carbohydrates)
  • Nuts (also fats)
  • Soy and tofu products.

What are the 3 macronutrients in food?

There are three types of macronutrients: carbohydrates, proteins, and fats.

  • Carbohydrates contain 4 kcal per gram.
  • Proteins contain 4 kcal per gram.
  • Fats contain 9 kcal per gram (this is roughly double the amount found in the other two macros)

What are the six macronutrients?

Macronutrients include water, protein, carbohydrates, and fats. Keep reading for more information about where to find these nutrients, and why a person needs them. The six essential nutrients are vitamins, minerals, protein, fats, water, and carbohydrates.

What carbs should you not eat?

14 Foods to Avoid (Or Limit) on a Low-Carb Diet

  • Bread and grains. Bread is a staple food in many cultures.
  • Some fruit. A high intake of fruits and vegetables has consistently been linked to a lower risk of cancer and heart disease ( 5 , 6 , 7 ).
  • Starchy vegetables. Most diets allow an unlimited intake of low-starch vegetables.
  • Pasta.
  • Cereal.
  • Beer.
  • Sweetened yogurt.
  • Juice.

What are the 3 categories of food we get our energy from?

The energy or calories in the food we eat comes from three macronutrients: proteins, fats, and carbohydrates. Macro means large, and these basic nutrients are necessary in large quantities to sustain our growth, metabolism, and other bodily functions.