Answer:
The correct answer is - option e.)
Explanation:
The experiment that was performed by Meselson and Stahl was created to prove that DNA replication is a semiconservative process.
When Bacteria grow on 15N media they incorporate the isotype of nitrogen and after few generations, the culture moved to 14N media where it incorporates as they replicate in semi-conservative mode and one DNA strand comes from the Parent DNA.
The right option for question one is Option (e) Run as one band, at a position expected for DNA containing a 14N:15N ratio equal to 1.
Answer:stopped many jobs and affected peoples life style
Explanation: many places closed down and people lost there jobs. People that like to go to the gym no longer cant and many places arent dine in anymore
Answer:
1-Viruses also lack the properties of living things: They have no energy metabolism, they do not grow, they produce no waste products, and they do not respond to stimuli.
2-They also don't reproduce independently but must replicate by invading living cells.
The right answer is B. cookie.
Sucrose, or sucrose, is a sugar derived from sugar beet or sugar cane. It is also known as table sugar (used in cooking and baking). Comprised of fructose and glucose, sucrose is known for its sweet and sweet taste particularly appreciated. However, and despite the pleasure it provokes, sucrose consumed in excess would represent a major danger to health.
Preserved footprints left behind by animals are called ichnites.
