Top answers

Biology
A Level

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 exactl...

GZ
Answered by Giulia Z. Biology tutor
7490 Views

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...

SV
Answered by Simone V. Biology tutor
4542 Views

Name the 5 stages of mitosis in order

I remember using this handy mnemonic: "IPMAT".

Interphase

Prophase

Metaphase

LR
Answered by Luke R. Biology tutor
7844 Views

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 ve...

CC
Answered by Charlotte C. Biology tutor
4569 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 n...

KF
Answered by Katherine F. Biology tutor
4572 Views

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