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Explain the differences between meiosis and mitosis

Mitosis is asexual reproduction that produces 2 identical daughter cells via 1 cell division, whereas meiosis is sexual reproduction that produces 4 non-identical gametes via 2 cell divisions. Meiosis occurs...
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Answered by Chloe P. • Biology tutor
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What are the key differences between eukaryote and prokaryote cells?

Key Eukaryote cell features: -DNA is circular within the cell nucleus-Larger than prokaryotes-Can be one cell or many-Membrane-bound organelles (e.g. mitochondria, chloroplasts)Key Prokaryote cell features: ...
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Answered by Katy R. • Biology tutor
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How are the lungs specialised for gas exchange?

They have a high surface area to volume ratio allowing for more gas exchange to take place. The large surface area to volume ratio is partially to do with them having lots of alveoli. Alveoli have a 1 cell t...
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Answered by Rebecca L. • Biology tutor
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A gene often has two alleles. One allele is dominant and the other allele is recessive. When is a recessive allele expressed as a characteristic?

A gene has two alleles, they can be either dominant (A) or recessive (a).So the possible combinations are:AAAaaaDominant alleles are expressed as they are 'stronger' . So in the Aa example the dominant allel...
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Answered by Thomas G. • Biology tutor
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What is active transport? Use an example to demonstrate when active transport is used.

Active transport is a process where particles move from an area of low concentration to an area of high concentration against a concentration gradient. In order for particles to move against a concentration ...
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Answered by Nilofar S. • Biology tutor
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