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What are the levels of protein structure?

The structure of proteins, especially those of enzymes, is extremely important in allowing them to carry out their duties in the cell and body. Protein folding needs to be specific, and repeated exactly the ...
GZ
Answered by Giulia Z. • Biology tutor
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What is Mitosis?

During mitosis , one cell divides into two daughter cells. First, the cell grows and doubles the amount of DNA (in human cells from 23 pairs of chromosomes to 46 pairs of chromosomes). During the different s...
SV
Answered by Simone V. • Biology tutor
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Name the 5 stages of mitosis in order

I remember using this handy mnemonic: "IPMAT". I nterphase P rophase M etaphase A naphase T elophase It may be useful to you to write this down straight away on an extra piece of paper at the start...
LR
Answered by Luke R. • Biology tutor
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What are the differences between DNA and RNA?

There are three main differences between DNA and RNA: 1. RNA has the base uracil instead of the base thymine . These bases are very similar and differ by only one chemical group! 2. RNA nucleotides have a ri...
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Answered by Charlotte C. • Biology tutor
4630 Views

Why are organisms within a species genetically different?

1) Crossing over - in Prophase I of meiosis, non-sister chromatids in the same bivalent (i.e. chromatids on separate chromosomes within a homologous pair) can exchange alleles, creating new combinations. 2) ...
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Answered by Katherine F. • Biology tutor
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