<span>I suspect this question should read "How long does a red blood cell live." A red blood cell lives for between 100 and 120 days. It takes 7 days for a new red blood cell to develop from stem cells. Stem cells are similar to base cells. They can also be seen as a general template from which specialized cells are made. Stem cells can be taken from a newborn baby's umbilical chord or extracted from an adult blood donor's blood.This
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DNA replication is called semiconservative because the two resulting DNA molecules each have one new DNA strand and one old strand from the original DNA molecule.
Answer:
B
Explanation:
Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.
Could you please import the image?
Answer:
D)
Explanation:
Tornados form over land
Hurricanes form over water
Tornados = spiraling wind
Hurricanes = spiraling water mixed with wind