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What are the functions of the substances in the blood?

The blood is an amazing way to deliver all kinds of important and interesting materials around our body to the organs and tissues that need it the most and is efficient in removing harmful substances from...

Answered by Biology tutor
2817 Views

Outline the importance of photosynthetic pigments in photosynthesis

Photosynthetic pigments are found in certain proteins and absorb photons (waves of light) at particular wavelengths. This absorbance causes electrons in the pigments to become excited and they increase in...

Answered by Biology tutor
12742 Views

Explain why glucose is needed for the contraction of skeletal muscle.

Skeletal muscle use glucose in glycolysis to generate ATP, the energy currency of the cell. ATP binds the myosin head in skeletal muscle to displace actin (a protein bound as part of the muscle contractio...

Answered by Biology tutor
11253 Views

What is Social Control?

Social control is a really interesting concept that is the fundamental principle for explaining why most people like us will tend to follow orders in society and avoid committing crime and deviant or abn...

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Answered by Aneesa A. Sociology tutor
4677 Views

Explain how fiscal policy could be employed to pull an economy out of a recessionary gap

Fiscal policy is concerned with the manipulation of government income and government expenditure to influence the level of aggregate demand in an economy. When adopting fiscal policy measures, a governme...

AK
Answered by Amit K. Economics tutor
2429 Views

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