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Biology
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How is blood glucose concentration controlled by hormones?

The three main hormones to consider are: insulin, glucagon, and adrenaline. All three act on receptors on their target cells. Insulin results in the mobi...

FF
Answered by Fareema F. Biology tutor
2628 Views

What is the cAMP cascade and where does it occur?

The cAMP cascade describes an intracellular process that occurs upon activation of glucagon and adrenaline receptors. Glucagon receptors are present mainly in the live...

FF
Answered by Fareema F. Biology tutor
7978 Views

Outline the key stages that occur in mitosis.

The initial stage of mitosis is known as prophase. In early prophase, the nuclear membrane breaks down and the nucleolus disappears. The chromatin condenses into a doubled armed chromosome- comprised of t...

LF
Answered by Liam F. Biology tutor
2787 Views

Explain how vaccinations prevent disease.

Vaccinations introduce the human immune system to pathogenic antibodies in a safe way. This could be in the form of the dead pathogen, a genetically engineered version or the lone antibody. The antibody a...

GK
Answered by Georgina K. Biology tutor
3856 Views

Explain the difference between Humoral and Cellular adaptive immune response.

Firstly the adaptive immune response is the antigen specific response the body uses against free antigens or infected cells. It relies on the highly specialised lymphocytes, T-cells and B-cells, which are...

TL
Answered by Tarek L. Biology tutor
2609 Views

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