Top answers

Describe the main differences between a plant and an animal cell

plant cell:cell wall AND cell membranetypically rectangular shapechloroplasts vacuole animal cell:no cell walltypically smaller in size
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Answered by Sarah C. • Biology tutor
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By which processes does glucose enter the cell?

active transport and diffusion. Examples of each would be that glucose is actively transported against its concentration gradient from the gut into the intestinal epithelial cells. Glucose is transported by ...
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Answered by Rabia D. • Biology tutor
5675 Views

A cell of the pancreas produces digestive enzymes, which are proteins. The enzymes are released into the small intestine. Suggest 2 adaptations to this cell's role.

An enzyme is a protein and protein synthesis occurs in the ribosomes of cells, particularly cells that have the role of producing enzymes for the digestion of material in the small intestines. So one adaptat...
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Answered by Rabia D. • Biology tutor
13326 Views

Osmosis and diffusion are both examples of passive transport. Describe another similarity and a difference.

Neither diffusion or osmosis require an input of energy and result from molecules moving from an area of high concentration to low concentration. This is movement down the concentration gradient.All gasses a...
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Answered by Ellen T. • Biology tutor
10707 Views

What is Osmosis

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration. This is done through a semi-permeable membrane. The aim is to have the same concentration of wat...
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Answered by Miranda G. • Biology tutor
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