Answer:
hope this helps
Explanation:
About 95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
Answer:
A represents photosynthesis and B represents cellular respiration.
Explanation:
As in A there is utilization of carbon dioxide and water to make oxygen and glucose which is a key process of photosynthesis, and then this oxygen and glucose is used as energy source to produce carbon dioxide and water as by products of respiration.
Answer:
The Dog is has much more cells because it's bigger.
Explanation:
when a puppy grows up to be a dog, it gains more cells because it GROWS up and becomes bigger than the puppy's original size.
Mitochondria makes the energy for the entire cell, or ATP. Having two or more in a athletes muscle would be a huge advantage because the more ATP, the more endurance the muscle has.
A maintain different colored markings on their skinIn areas where
their ranges overlap, the frogs will remain
separate species if they
A maintain different colored markings on their skin
