Top answers

Describe the effect of temperature on enzyme activity.

Enzyme activity increases as temperature increases. This is because collisions between the substrate and the active site happen more frequently. At higher temperatures enzymes denature and are unable to cata...
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Answered by Nick B. • Biology tutor
4088 Views

True or false - when you focus on a NEAR object, the lens becomes THINNER allowing light to reflect GREATLY.

false, the lens becomes thicker when focusing on near objects. This allows the light to be strongly refracted. The lens becomes thinner when focusing on objects that are further away.
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Answered by Harriet H. • Biology tutor
2826 Views

Describe one similarity and one difference between a plant cell and an animal cell

Both a plant cell and an animal cell has cytoplasm, which is where chemical reactions happen. However, a plant cell has chloroplasts, containing chlorophyl and is the site of photosynthesis.
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Answered by Niamh M. • Biology tutor
3952 Views

What is the role of the cell membrane?

Control the movement of substances in and out of the cell.
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Answered by Harriet H. • Biology tutor
3501 Views

Identify two specific cell types found anywhere along the digestive tract

Epithelial Cells- line the lumen of small intestines and colon. they are Specialised in absorption of nutrients thanks to microvilli which increase surface areaGoblet Cells- Goblet cells are located in the e...
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Answered by Geeth A. • Biology tutor
2877 Views