In order for a cell to differentiate into its specialized form and function, it need only manipulate those genes (and thus those proteins) that will be expressed, and not those that will remain silent. The primary mechanism by which genes are turned “on” or “off” is through transcription factors.
Answer:
The correct formula for photosynthesis is
6CO2+ 6H2O + light energy = C6H12O6+6O2.
A collection of tissues working together is an Organ
The brain loses 5-10 percent of its weight between the ages 20 & 90.
