When the two atoms are split
Answer:
in mitochondria ,many enzymes are produced to use in cellular respiration .it also produce energy(ATP).
Explanation:
A and d
the DNA is semi conservative
and the DNA pol always synthesize from 5’ to 3’
Answer:
1. Down Syndrome - Caused by an extra copy of chromosome 21
2. Klinefelter Syndrome - Boys with extra x chromosome(s)
3. Turner Syndrome - Girls lacking a second x chromosome
