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What is division of labour within a cell?

'Division of labour' is a term that describes the specialised functions of cell organelles which come together to ensure the cell is capable of surviving as well as performing it's role in the body. For exam...
BP
Answered by Ben P. • Biology tutor
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Describe the structure of the cell membrane.

The cell membrane is a fluid matrix made of a phospholipid bilayer. Each lipid molecule has a hydrophilic, phosphorylated "head" and a hydrophobic, fatty acid "tail". The hydrophobic part...
SN
Answered by Srishti N. • Biology tutor
43617 Views

What is an allele? What are dominant and recessive alleles?

The nucleus of a cell contains DNA molecules, which code for proteins. In humans, DNA is arranged into 46 linear, double-stranded molecules called chromosomes. Chromosomes of similar length are paired up – f...
CT
Answered by Christina T. • Biology tutor
21386 Views

What's the difference between genotype and phenotype?

The genotype of an organism is the alleles it has. while the phenotype is the characteristics the alleles produce. For examples the alleles for hair colour could be BB for brown hair and Bb for blonde hair, ...
LG
Answered by Lauren G. • Biology tutor
10973 Views

What are gene mutations?

A mutation is any change to the base sequence of DNA. The different types of mutations that can occur include: Subsitution - this is where one base is swapped for another Deletion - one or more bases are rem...
LG
Answered by Lauren G. • Biology tutor
6149 Views