<span>Craig Venter is an
American biochemist, geneticist, biotechnologist, and businessman. He is
popular for his contribution as the 1st person to sequence the human
genome and the 1st scientist to transfect a cell with a synthetic genome.
He’s now into creating synthetic biological organisms. He was even listed in
the Time Magazine 2007-2008 as one of the top 100 most influential people
worldwide. His works has really been significant in microbiology. </span>
1. The third layer of the eye is the Retina 2. The retina <span>receives light rays and images and passes them on to the Optic nerve.</span>
The answer is the endogenous opiate.
The human body naturally produces its own opiates like substances and uses them as neurotransmitters. These substances include endorphins, enkephalins, and dynorphin, often collectively known as endogenous opioids. Endogenous opioids modulate our reactions to painful stimuli.
Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.