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Explain the similarities and differences between plant and animal cells structure and shape (may include use of a diagram and bullet points are accepted).

The similarities are:Cell cytoplasmNucleusCell membraneMitochondriaRibosomesStructures unique to plant cells (with a few exceptions):ChloroplastsCell wallsLarge permanent vacuoleAnimal cells tend to be varia...
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Answered by Jessica L. Biology tutor
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Give a basic overview of the of the digestive system.

The digestive system is a tube starting from the mouth and ending at the anus. Between are different compartments with different roles. The first stage of digestion occurs in the mouth. The teeth grind the f...
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Answered by Nirali V. Biology tutor
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This question is about the nervous system. Describe the difference between the function of a receptor and the function of an effector. In your answer you should give one example of a receptor and one example of an effector.

A receptor detects a change in stimuli e.g. eye detects light - An effector carries out a response e.g. muscle
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Answered by Samim Y. Biology tutor
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Could you explain the blood flow through the heart?

Deoxygenated blood enters through the right atrium from vena cava, moves through tricuspid valve into right ventricle. This moves up the pulmonary artery to the lungs and oxygenates.Oxygenated blood enters l...
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Answered by Neel V. Biology tutor
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Describe the lytic pathway of a virus.

The lytic cycle is one of the two cycles of viral reproduction in host cells. Viruses cannot replicate outside a host, therefore virus binds to host cells. Adsorption and penetration occurs (process through ...
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Answered by Nisha G. Biology tutor
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