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Describe the Cell Cycle.

All cells undergo cell division in order to replicate themselves, and this process is called the cell cycle. At the end of the cell cyclle, 2 identical daughter cells are formed. Before the major part of the...
CE
Answered by Chloe E. • Biology tutor
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What are the key cellular differences between bacterial cells and plant and animal cells?

Unlike animal and plant cells, bacteria cells lack membrane bound organelles including: mitochondria, chloroplasts and a 'true nucleus'. Instead Bacterial DNA forms a single strand within the cytoplasm. Bact...
CS
Answered by Chris S. • Biology tutor
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Describe is photosynthesis?

The chemical change which happens in the leaves of green plants. It is the first step towards making food - not just for plants but ultimately every animal on the planet. During photosynthesis: Light energy ...
MB
Answered by Marie B. • Biology tutor
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What is an enzyme and explain the effect of two environmental factors on their efficiency?

Enzymes act as biological catalysts for reaction that occur in organisms such as animals and plants. This means that they help to speed up reactions, or allow them to take place at lower activation energy le...
OC
Answered by Oliver C. • Biology tutor
5236 Views

Label the parts marked on the diagram of the eye

Part 1) - the retina It contains light sensitive cells - the rods/cones Part 2) the vitreous humour It maintains the shape of the eye
NO
Answered by Niamh O. • Biology tutor
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