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Biology
IB

What are the differences between Carbohydrates and Lipids?

Carbohydrates

- 17 kJ of energy per gram

- Disaccharides = highly soluble. Polysaccharides = insoluble

- Less metabolic water produced

- S...

Answered by Laura S. Biology tutor
8421 Views

Describe why DNA replication is semi-conservative

DNA replication involves the unwinding of double strand DNA by the enzyme helicase, resulting in two single DNA strands which can be used as templates for replication. DNA polymerase can then catalyse ...

Answered by Isabella G. Biology tutor
14611 Views

How does the process of blood clotting occur?

The function of a blood clot is to prevent blood loss from damaged blood vessels. In order for a blood clot to form, activated platelets and the damaged ...

Answered by Anna C. Biology tutor
18554 Views

Discuss the relative importance of genetic and cultural evolution in the recent evolution of humans.

 

·      Changes in genotype (genetic evolution via natural selection) have lead to cultural evolution in humans by promoting intelligent behaviour

·      L...

Answered by Zana Katarina L. Biology tutor
4271 Views

Discuss the incompleteness of the fossil record and the resulting uncertainties about human evolution.

Incompleteness of the Fossil Record

▪       Fossilisation is an exceptionally rare occurrence that requires an unusual combination of special condi...

Answered by Zana Katarina L. Biology tutor
8826 Views

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