Proteins s are compounds of carbon, hydrogen, oxygen, nitrogen and sometimes sulphur, phosphorus s amino acids: –unit of proteins –about 20 different types.

Slides:

Advertisements

Similar presentations

The Structure of Proteins

Advertisements

Chapter 2 – BIOCHEMISTRY

B4: NUTRITION Nutrients. Carbohydrates Contain the elements carbon (C), hydrogen (H) and oxygen (O) Simple sugars (glucose) consist of 6 C atoms in a.

The Chemistry of Life! Organic Molecules AndWater.

 to maintain life  to supply energy & give warmth ◦ carbohydrates ◦ fats ◦ proteins  for growth and repair ◦ Proteins  keep healthy & help to fight.

Unit 3 – Biochemistry Notes - Proteins. Proteins are made up of: –Nitrogen –Carbon –Hydrogen –Oxygen Proteins are polymers of molecules called amino acids.

BioChemistry Chapter 2.3. Organic Compounds Compounds made by cells and containing carbon A carbon atom has 4 electrons in its outside shell –Does it.

Nutrient Testing Year 10 Biology.

Functions of Food to maintain life to supply energy & give warmth –carbohydrates –fats –proteins for growth and repair –Proteins keep healthy & help.

ProteiN proteiN – “N” stands for nitrogen. There is an “N” in the word proteiN The element Nitrogen is always present in proteiNs.

Answer all questions fully in your exercise books 1)What causes the colour change seen in the reducing sugars test? 2)Why is vitamin K2 important and how.

Proteins. You need to know that: Proteins have a variety of functions within all living organisms. The general structure of an amino acid Condensation.

Carbohydrates Contains Carbon, Hydrogen, Oxygen

Proteins 1.Chemical Composition  Proteins contain carbon, hydrogen, oxygen, and nitrogen.  Amino acids are the structural units of proteins. An amino.

Basic Vocabulary  Monomer – basic unit of a polymer  Polymer – Large molecule composed of repeating basic units or monomers.

FOOD CLASSES Food and Diet.  Classes of Food - Carbohydrates - Proteins - Fats - Vitamins - Minerals - Fibre - Water.

Proteins!. Proteins Proteins account for more than 50% of the dry mass of most cells Monomer: amino acids 20 amino acids used in cells Central carbon.

11 PROTEINS. 2 Learning Outcomes/Objectives:  State the elements in proteins.  State the various structure of proteins.  Explain the formation and.

Molecules of Life Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur.

Proteins… ► Let’s Review…… then….. ► Let’s discover proteins…. ► PollEv.com/tinalambiase209.

CHAPTER 2 CHEMISTRY OF LIFE. Level of organisation  ATOM  MOLECULE  ELEMENT  COMPOUND  SOLUTION Water.

Carbon Compounds Chapter 2 Section 3 Part 2. Objectives  Describe the unique qualities of carbon  Describe the structures and functions of each of the.

Proteins HUM-FNW 4.1 UNIT 5A. Protein: The Basics  Proteins are large complex molecules found in the cells of all living things.  Animal products, such.

Our body is close to 20% protein and many of the foods we eat also contain protein.

Biochemistry Aim: Why are organic and inorganic molecules important to living things?

Organic Molecules. Macromolecules Macromolecules are “giant molecules” found in living cells Smaller units are called monomers, these join together to.

Carbon Compounds Chapter 2, Section 3 pp

PROTEINS Characteristics of Proteins Contain carbon, hydrogen, oxygen, nitrogen, and sulfur Serve as structural components of animals Serve as control.

Proteins - made of H, O, C, and N - formed by linking monomers called amino acids. - most important organic compound – body structure Amino Acids - 20.

Chapter 1.  Element – a substance that cannot be broken down into simpler substances – smallest unit of an element is an atom  Compound – two or more.

(7 th ) Chapter 3-3 Cornell Notes Chemical Compounds in Cells.

Module Biological Molecules Proteins By Ms Cullen.

Amino Acids. Starter Name the functions of proteins in the human body.

Modeling Proteins, Fats & Carbohydrates INVESTIGATION.

Carbon Compounds Chapter 2, Section 3 pp

Biology Induction.

Functional Variety of Proteins

Carbon Compounds Chapter 2, Section 3 pp

Lipids & proteins SBI 4U.

Proteins & Enzymes.

Chapter 6: Proteins and Amino Acids

Chapter 6: Proteins and Amino Acids

Proteins Proteins.

Chemistry of Living Things

Functions of Food to maintain life to supply energy & give warmth

Ian cho and Adam Eshel Proteins.

Biochemistry: Proteins.

What do you think is happening to the proteins within these eggs????

Proteins By Amber C and Lyla A.

ORGANIC MOLECULES.

Proteins Structure Elements: Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (P), & sometimes Sulfur (S) Monomer Amino Acid –Amino Group (NH2), Carboxyl.

PROTEINS HAVE MANY FUNCTIONS

©2002 Learning Zone Express

Natural products: carbohydrates

Food tests: Required Practical 4

Proteins GT Biology.

Biochemistry Part VI - Nucleic Acids

Molecules of Life: Macromolecules

Proteins Maintenance Crew.

Pop Quiz! No Talking- If you talk, it’s an automatic ZERO

BIOCHEMISTRY CHEMICALS OF LIFE.

Proteins The multi-taskers.

Chemistry of Living Things

Chemistry of Life…continued

Presentation transcript:

Proteins s are compounds of carbon, hydrogen, oxygen, nitrogen and sometimes sulphur, phosphorus s amino acids: –unit of proteins –about 20 different types –essential and non-essential types

An amino acid molecules H 2 N amino group COOH carboxyl group C R H

The condensation and hydrolysis of a polypeptide hydrolysiscondensation

Condensation of two amino acid to form a dipeptide H2NH2NC R1R1 H C O OH H N H C H R2 COOH H2N C R1R1 H O H C H R2R2 COOH C---N H2O

Functions of proteins s components of cell membranes and cytoplasm s for growth and repair of body cells s for making enzymes, hormones, antibodies and haemoglobin s provide energy during starvation s excess protein is under deamination in the liver s deficiency disease: Kwashiorkor

Test for proteins / Biuret test egg white solution 1 cm 3 NaOH solution Put CuSO 2 solution drop by drop, and shake the mixture after addition of each drop Positive result: purple colour