Carbohydrates, Biology

Assignment Help:

CARBOHYDRATES

  1. Carbohydrate = hydrate of carbon.
  2. Hydroxyl group present.
  3. Aldehyde group or keto group may present.
  4. Carbohydrates are polyhydroxy aldehydes or ketose.
  5. Aldehyde group (-CHO) is generally terminal while keto group (> C = O) is commonly subterminal.
  6. Depending upon the presence of aldehyde or keto group, carbohydrates are called aldoses are ketoses.
  7. Carbohydrates contain Hydrogen and Oxygen in proportion as present in water.
  8. There are few exceptions -

                 Acetic acid (C2H4O2), Formeldehyde (CH2O), Lactic acid (C3H6O3)                         [Not Carbohydrate]
                 Deoxyribose sugar (C5H10O4), Ranose (C6H12O5), Glucosamine (C6H13ON)             [Carbohydrate]

  1. Empirical formula is Cn(H2O)n or (CH2O)n.
  2. Generally 3 elements present in carbohydrate as C, H & O.
  3. Some carbohydrates contain Nitrogen, Phosphorus and Sulphur.
  4. Carbohydrates are also named saccharides as they are formed of sugars.
  5. Carbohydrates that are water soluble & sweet in taste are called sugars.
  6. a & b - forms of sugar show isomerism.
  7. The term sugar is used for small carbohydrates (monosaccharides and disaccharides) that are sweet to taste.
  8. Carbohydrates are the first products of photosynthesis and the main ingredient of reserve food.
  9. They are also called Staff of life.
  10. Upto 80% of the dry weight of a plant is made of carbohydrates.
  11. However, in an animal, the carbohydrate content is not more than 1% of the total.
  12. Carbohydrates are of three types - Monosaccharides, Oligosaccharides, Polysaccharides

Related Discussions:- Carbohydrates

Agro industrial-proteins, Proteins Protease inhibitors: Protease inh...

Proteins Protease inhibitors: Protease inhibitors are protein-based substances widely distributed within the plant kingdom, including the seeds of most cultivated legumes wh

What is the cytoskeleton, Q What is the cytoskeleton? What are its major co...

Q What is the cytoskeleton? What are its major constituents in animal cells? Cytoskeleton is the cytoplasmic structure that supports the cell, keeps its fixates and shape and m

Explain the term health, Explain the term 'health' Mention any two ways of ...

Explain the term 'health' Mention any two ways of maintaining it. Why does a doctor administer tetanus antitoxin and not a tetanus vaccine to a child Injured in a roadside acci

What is vegetarianism, What is Vegetarianism? Protein quality of the ...

What is Vegetarianism? Protein quality of the vegetarian diets can be improved by proper diet planning, However, under free-living conditions, vegetarianism can limit pr

How do genetic mutations influence biological diversity, How do genetic mut...

How do genetic mutations influence biological diversity? Too frequent or too extensive genetic mutations usually are deleterious for individuals and species. These mutations fr

Define the principle behind cyanmethemoglobin method, Define the Principle ...

Define the Principle behind Cyanmethemoglobin Method? The principle behind the cyanmethemoglobin method is as follow: Principle The haemoglobin is treated with a reagent con

Flow cytometry, Flow cytometry is an analysis of biological material by de...

Flow cytometry is an analysis of biological material by detection of light- absorbing or fluorescing properties of cells or subcellular fractions (that is chromosomes) passing in

What volume of 1.20 m naoh solution must we add, You have 875 mL of a 0.37 ...

You have 875 mL of a 0.37 M acetic acid solution. What volume (V) of 1.20 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.36? (The pKa of acetic acid i

Prevention strategy for diverticular disease, Q. Prevention strategy for di...

Q. Prevention strategy for diverticular disease? The prevention strategy for the disease involves the following: • Eat a high-fiber diet (more than 15 g/day of crude fiber)

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd