Answer:
It will take 63 years
In 189 years, one-eight of the sample will be left
By multiplying the number of half-life cycles
Explanation:
I just completed this assignment.
Answer:
false
Explanation:
a hormone is not an organ that secretes chemical substances into the bloodstream, hence your answer is false
hope that helps! :)
Answer:
D
Explanation:
Cancer cells exhibit uncontrolled and disorganized growth. Formation of new blood vessels is required to bring nutrients and oxygen to cancerous tumors. Cancer cells cannot enter the cell cycle and therefore are mortal. cancer cells enter the cell cycle repeatedly, and in this way they are immortal.
Answer: All of the mentioned Scientist made considerable contributions to understanding the DNA molecule in the order:
Explanation: 1.Fredrick Griffith
2. Avery, McCarty and MacLeod
3.Chargaff
4.Hershey and Chase
5.Watson and Crick
They are eukaryotic and don't move, plants are autotrophic - making their own energy - and have cell walls made of cellulose, but fungi are heterotrophic - taking in food for energy - and have cell walls made of chitin.