Describe when and where fatty acid synthesis occurs?
Fatty acid synthesis occurs in the cytoplasm of hepatocytes, lactating mammary glands and adipocytes when the need for energy is low.
How many genes does an organism like Eschericha coli have and how does this compare with the number of genes in human cells?
A single cell of Eschericha coli contains about 4,300 genes. A human cell contains over 1,000 times as much DNA and seven times as many genes.
Where do the right and left subclavian arteries originate?
The right subclavian artery originates from the right brachiocephalic trunk, while the left subclavian artery originates from the aortic arch.