What do a human, a rose, and a bacterium have ... Crick were pursuing a definitive model for the stable structure of DNA inside cell nuclei. Watson and Crick ultimately used Franklin's images ...
When cells express specific genes that characterise a certain type of cell we say that a cell has become differentiated. Structure and ... are known as mutations. Human genomics The human genome ...
The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the cells across their walls. Structure and function of the heart In this Higher Human ...
An ambitious plan to map all 37 trillion cells in the human body is transforming understanding of how our bodies work, scientists report. The received wisdom said we were built from around 200 ...
The human body contains about 100 trillion ... Within every cell (except red blood cells) is a nucleus -- a sphere-like structure separated from the rest of the cell by a membrane.