10th Class Chemistry Chapter 5 Biochemistry Short Question Answer
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10th Class Chemistry Chapter 5 Biochemistry Short Question Answer
Polysaccharides are macromolecular carbohydrates consisting of hundreds to thousands of monosaccharide’s.
Example: Starch and cellulose۔
Proteins consists of carbon, oxygen nitrogen, and sulphur. They are polymers of amino acids.
Oligosaccharides are also sweet in taste. These carbohydrates are white, crystalline, solids easily soluble in water.
Oligosaccharides give 2 to 9 units of monosaccharides on hydrolysis
Proteins are highly complicated nitrogenous compounds made up of amino acid.
Dextrose is crystallized glucose (natural sugar found in starchy foods). It provides simple carbohydrates to the body that can be easily broken down and processed. Dextrose solution is available in several concentrations.
Polysaccharides are macromolecular carbohydrates consisting of hundreds to thousands of monosaccharides. Example: Examples of polysaccharides are starch and cellulose.
RNA is synthesized by DNA to transmit the genetic in formation’s RNA receives, reads, decides and uses the given information to synthesize a new protein.
The provide essential nutrients for bacteria in intestinal helps indigestion. They regulate the amount of sugar level in our body. Low sugar level in body result in hypoglycemia.
RNA are ribonucleic acid.
DNA is the permanent storage place for genetic information in the nucleus of a cell. It carries and stores all genetic information of the all. It passes these information’s from generations to generations. How to synthesize particular proteins from amino acids. These instructions are genetic code of life they determine whether organism is a man or a tree or a donkey and whether a cell is a nerve cell or a muscle cell.
Nucleic acids are essential components of every living cell. They are generally long chain molecules made up of nucleotides.Each nucleotide consists of three components nitrogenous base, a pentose. Sugar acid a phosphate group.
Carbohydrates provide 17 kilojoules of energy per gram. We take carbohydrates as food. Long chains of starch (carbohydrates) are broken down into simple sugar (glucose) by digestive enzymes. The glucose is absorbed directly by small intestine into the blood stream. Blood stream transport the glucose to its place of use e.g. muscles.
Oligosaccharides give 2 to 9 units of monosaccharide’s on hydrolysis. Therefore, they are classified as disaccharides. Example Trisaccharides, tetra saccharides.
Its structure was discovered by J.Watson and F.Crick in 1953.
Each nucleotide consists of three components, nitrogenous base, a pentose sugar and a phosphate group.
Fatty acids are building blocks of lipids. Example: They are long chain saturated or unsaturated carboxylic acids.
Lipids are macromolecules made up of fatty acids. Lipids include oil and fats.
1. They are amorphous solids
2. They are trasteless and insoluble in water.
i. Enzymes are proteins that are produced by the living cells. They catalyze the chemical reactions taking place in the bodies. They are highly specific and have extraordinary efficiency. Many enzymes are used as drugs they control the bleeding and treat blood cancer.
ii. Hides are proteins. These are used to make leather by tanning. Leather is used to make shoes. Jackets, Sports, items and etc.
iii.Proteins are found in bones. When bones are heated the give gelatin is used to make bakery items.
iv. Plants also synthesize proteins. Such as pulses, beans, etc., these are used as food.
Amino acids are organic compound consisting of both amino and carboxyl groups.
Proteins are highly complicated nitrogenous compound made up of amino acids. Proteins consist of carbon, hydrogen, oxygen, nitrogen and sulphur.
C₁₅H₃₁COOH palmitic acid
C₁₇H₃₅COOH stearic acid
Proteins consist of carbon, hydrogen, oxygen, nitrogen and sulphur. They are polymers of amino acids.
Vegetables oil are trimester of glycerol and fatty acids of unsaturated long chains . These oils are hydrogenated in the presence of nickel catalyst at 250 to 300 C to form vegetable ghee.
Each vitamin plays an important role in the healthy development of our body.
Vitamins cannot be assimilated without ingesting food. This is why, it suggested that vitamin must be taken with meal. They help to regulate our body’s metabolism.
Lipids are macromolecules made up of fatty acids.
The vitamin that dissolve in water are called water soluble vitamins. These vitamins are B complex and vitamin C
Glucose is a polyhydroxy aldehyde while fructose is pentahydroxy ketone having the open chain structures as follows and general formula of C6H12O6.
Its structure was discovered by J. Watson and F.Crick in 1953.