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At low temperature, there is low kinetic energy (=molecules move more slowly). So, an enzyme and a substrate are less likely to randomly collide with eachother (similarly, people are more likely to bump into...

Reflex arch is a neural pathway that controls a fast, involuntary reflex. The pathway is as follows: 1)Receptors detect a stimuli such as fire or a neddle pricking your finger. 2) Nerve impulses from the rec...

Ventilation means moving air into and out of the lungs. This depends on a number of factors which we can break down and talk about individually. The structure of the thorax: An airtight space in the body tha...

So one thing I observed in my Biology class was that students would memorise every single piece of inforrmation about each biological process that was written on their 'comprehensive flashcards'. One thing t...

As each O2 molecule binds to the haemoglobin, it alters the shape of the protein --> making subsequent binding more favourable. Therefore the affininity for oxygen will be greater in places with a higher ...