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Biology

What is the difference between an artery and a vein?

Artery/veins• Arteries and veins are the two major blood capillaries which are responsible for the supply of the blood to the whole body, their vast connections...

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What is homeostasis and why is it important? Give an example of a body condition that must be controlled and how.

HomeostasisFor the ideal functioning of the body, there needs to be an ideal optimum constant environment in the body, which is suitable for all the enzymes to...

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What is ATP? Explain its structure, synthesis and function.

ATP stands for Adenosine Triphosphate.It is commonly known as the energy currency of the cell. Cells cannot utilise food to perform any work unless it is conver...

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What are Enzymes and how do they work?

Enzymes are biological catalysts that speed up the rate of reaction. In the absence of an enzyme it might take forever to complete any metabolic process. E...

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What is the equation for photosynthesis and what is the product used for?

Photosynthesis is a process by which plants and other photoautotrophic organisms can synthesize carbohydrates (glucose) and oxygen using carbon dioxide from the...

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Define osmosis

Osmosis is the movement of water molecules from a region of higher water potential to the region of lower water potential down a concentration gradient, across...

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"List 3 differences between a plant cell and an animal cell"

Plant and animal cells are eukaryotic cells which share many similarities like they consist of membrane-bound organelles like nucleus, mitochondria, endoplasmic...

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Describe and explain the function of the loop of henle and suggest how its structure may differ in organisms adapted to a desiccated environment.

The human kidney contains an outer layer called cortex that has many capillaries, along with an inside layer that is called medulla. The cortex has cortical nep...

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What is a reflex action?

Nervous response in the humans could be voluntary or involuntary.The involuntary responses includes those which are automatic and yakes place unconsciously. The...

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What is a Pacinian corpuscle and how does it work?

There are different types of receptors in the body for sensing different signals from the external environment. Pacinian corpuscles are a type of mechanorecepto...

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