Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: Biochemistry Chapter 1.1
Description: This is to help those who are interested in studying or getting started with biochem. The first chapter will give you an overview of what biochemists do and what the subject is about.

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


Chapters







General Biochemistry

Chapters







General Biochemistry

Chapters

General Biochemistry

Learning Objectives






General Biochemistry

Biochemistry

General Biochemistry

Biochemistry





General Biochemistry

Biochemistry

Study of :
- the structure and functions of biomolecules
- interaction of these molecules to form cells
tissues and whole organisms

General Biochemistry

Levels of Organisation

General Biochemistry

Why study Biochemistry ?

General Biochemistry

Biomolecules

Biomolecules







General Biochemistry

Chemical Composition



General Biochemistry

General Biochemistry

Biomolecules

Biomolecules
Biomolecule

Monomer

Exampls

Major Functions

Protein

Amino acid

Enzymes,
Hemoglobin

Structure and
function of cells

Nucleic Acids

Nucleotide

DNA /RNA

information

Carbohydrates

Monosaccharide

Starch
Cellulose

Energy storage

Lipids

Fatty acids

Cholesterol
Sex
hormones

Energy storage

General Biochemistry

Biomolecules

General Biochemistry

Carbohydrates







General Biochemistry

Carbohydrates

• Monosaccharide: contains 1 sugar unit
• Disaccharide: contains 2 sugar units
• Oligosaccharide: contains between 3 and 10 sugar
units
• Polysaccharide: contains >10 sugar units
• units are joined through the bridging of Oxygen
atoms (glycoside bonds)
General Biochemistry

Carbohydrates

General Biochemistry

Glycosidic Link

General Biochemistry

Fatty acids and Lipids

General Biochemistry

Lipid Molecule

General Biochemistry

Proteins





http://tribune
...
pk/story/769430/six-unsung-heroes-for-muscle-building/

General Biochemistry

Functions







General Biochemistry

Peptide Bond

General Biochemistry

Nucleic Acids








General Biochemistry

Types of Bonds







General Biochemistry

Covalent vs Ionic bonds

General Biochemistry

Vander Waals Forces

General Biochemistry

Bonding






General Biochemistry

Enzyme-Substrate

General Biochemistry

Antigen-Antibody

General Biochemistry

Antigen-Antibody

General Biochemistry

Hormone - Receptor

General Biochemistry

Animal Cell

General Biochemistry

Plant Cell

Organelles and their functions

Organelle

Structure

Function

Nucleus

Porous double membrane
surrounding the
chromosomes &
nucleolus

Site for RNA synthesis
Contains most of the cells
genetic material

Mitochondria

Membranous sacs with a
series of folds called
cristae

Site where energy is
released from food
molecules and
transformed into usable
form
...

Covered with ribosomes

Responsible for protein
production

General Biochemistry

Organelles and their functions

Organelle

Structure

Function

Ribosomes

Particles composed of
protein and RNA
...


Smooth Endoplasmic
recticulum

A network of
interconnected
membranes forming
channels within the
cell

Site for synthesis and
metabolism of lipids
...


Lysosymes

Membranous sacs
...


Vaccuoles

Membrane surrounded Contains water, food and
sacs
waste and materials in
plants

General Biochemistry

Organelles and their functions

Organelle

Structure

Function

Peroxisomes
(Microbodies)

Contains enzymes

Catalyses the production
and degradation of
hydrogen peroxide

Vesicles

Membranous sacks
...


General Biochemistry

Prokaryoted

General Biochemistry

Eukaryotes

General Biochemistry

Eukaryotes vs Prokaryotes

Eukaryotes

Prokaryotes

Nucleus present

Nucleus absent

More than one chromosome

One - but not true chromosome

Usually multicellular

Usually unicellular

Lysosomes present

Lysosome absent

Peroxisomes present

Peroxisomes absent

Endoplasmic recticulum present

Endoplasmic recticulum absent

Examples : Animals and plants

Examples: Bacteria and Archaea

General Biochemistry

Plant vs Animal Cell

Plant

Animal

Cell wall present

No cell wall

One large central vacuole

One or more small vacuoles

Chloroplasts present

No chloroplasts

Fixed shape

Irregular shape

Lysosomes are rare

Lysosomes are present

Nucleus lies on one side of the cytoplasm

Nucleus usually lie in the center of the
cytoplasm

General Biochemistry

Biochemists

General Biochemistry


Title: Biochemistry Chapter 1.1
Description: This is to help those who are interested in studying or getting started with biochem. The first chapter will give you an overview of what biochemists do and what the subject is about.