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How are blood glucose levels regulated in the body?

When blood glucose levels drop too low it is detected by hypothalamus. The release of insulin by the pancreas is stopped so no more glucose is converted to glycogen. Instead glycogen, which is stored in t...

Answered by Victoria J. • Biology tutor

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Prior to cell division, cells replicate. Explain the process of DNA replication in prokaryotes.

Prokaryotic DNA is different to eukaryotic DNA in that prokaryotic DNA is circular, and thus has an origin of replication. When replication starts, it starts at this origin and occurs

Answered by Molina D. • Biology tutor

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How are animals and plants adapted to their niche?

Animals and plants display structural and behavioural adaptations to their surroundings. Each animal and plant faces certain challenges to their survival such as predators, harsh weather or low food resou...

Answered by Rosanna S. • Biology tutor

8986 Views

How come the antibodies in our blood and lymphatic system do not attack our own, but only specific antigens?

Antibodies and antigens are made out of proteins. Proteins have a specific primary structure. The primary structure is the sequence of the amino acids that make up the protein. This sequence is specific t...

Answered by Cassandra U. • Biology tutor

2356 Views