Carbohydrates Keywords

Here are the keywords I want you to make sure you understand. Please write your own definitions if they will help you to remember the meanings:

• saccharide


• monosaccharide


• disaccharide


• polysaccharide


• glucose


• triose


• pentose


• hexose


• aldehyde (aldose)


• ketone (ketose)


• isomer


• starch


• amylose


• amylopectin


• Benedict's test

The Dangers of Cloning

The Importance of Exercise

Playing about with data

Please do the questions on the following 2 pages as this week's homework:

Is it possible to see a prokaryote without a microscope?

Walking with Cavemen

Please follow the link to the BBC website for their TV seies "Walking with Cavemen". Make notes on each of the species we discussed in class:

Walking with Cavemen

The Truth about Dinosaurs and Birds

Speciation in Salamanders

Evolution occurs over timescales of millions of years, but there is evidence that it is occuring now (its just difficult to spot). Take a look at this excellent video clip where differences in the phenotypes of one species of Californian salamander are used to show they are undergoing speciation (in the process of becoming new species).

Organelles

Please watch this video presentation and make your own notes about each of the organelles it covers:

The Mitosis Song

Enzymes

The importance of enzymes

Synapses

Detailed information about synapses (a bit too detailed for the IB) can also be found be following this link:

How impulses pass through synapses

Life after having a stroke

How does a nerve impulse travel?

The Reproduction Song (from Grease 2)

IB Biology assessment

For info about assessment for IB biology (your exams and what they will be like), please click the link below

IB biology assessment

Nerve Impulses

Or how does an impulse travel from your pain receptors?

Find out how nerve impulses travel through the body by clicking on the link below to biologymad.com. This is a website designed for the old A level biology exam, but contains a lot of info useful for the IB.

How nerve impulses travel

Hip Hip Hooray..... for DNA

by Peter Weatherall

Your Nervous System

The Respiratory System