Search over 10,000 free study notes

The lungs are made up of tiny sacs called alveoli which presents a very large surface area for gaseous exchange. The lungs are well supplied with blood due to lots of capillaries covering the alveoli, ...

 Allicin has antimicrobial properties and can therefore protect garlic from fungal and bacterial infections and is coded for in the DNA of the garlic by an allele.

Genetic conditions can be passed on from parent to offspring in a number of different 'patterns;' these are the modes of inheritance.

In autosomal dominant conditions, only one mutated co...

Once a person has eaten a meal, their digestive system will break the nutrients down into smaller components that can travel in the blood to any parts of the body that need them. Any carbohydrates in t...

Splicing is a process where premRNA is transformed into mRNA.

It involves the removal of Introns ( gene sequences which do not code for proteins ) and the attachment of exons (sequences w...