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What is the difference between mitosis and meiosis?

Mitosis contains 1 division cycle, meiosis - 2. Independent assortment, synapsis and crossing over occur only in meiosis. The outcome of mitosis is 2 diploid cells, meiosis - 4 haploid cells. Mitosis produce...
NK
Answered by Neringa K. • Biology tutor
2940 Views

Muscle contraction is a chemical process involving proteins. Explain how skeletal muscle contracts.

The best way to approach these type of questions (worth 8 marks) is to explain everything step by step. This will make it much easier for you to explain under stressful exam situations as well as for the exa...
HL
Answered by Hilary L. • Biology tutor
7403 Views

Which protein structure is broken down due to denaturalization: primary, secondary, tertiary or quaternary?

Denaturalization breaks down all the structures but the primary one. Remember that the primary one is made up of the aminoacids. If we break the peptide bond between aminoacids we're changing the protein, no...
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Answered by Blanca G. • Biology tutor
2808 Views

What are the differences between DNA and RNA?

-DNA is double stranded, while RNA is single stranded -DNA has the bases ATCG, while RNA has AUCG -DNA has the sugar base Deoxyribose, RNA has Ribose -DNA forms a double helix, RNA does not form a double helix
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Answered by Siddhesh K. • Biology tutor
2894 Views

Explain enzyme-substrate specificity

Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The mod...
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Answered by Zoe G. • Biology tutor
10883 Views