Blood enters the lungs from which chamber of the heart?
a-Right atrium
b-Left atrium
c-Right ventricle
d-Left ventricle
It is not easy to observe individual chromosomes during the interphase because:
a-the DNA has not been duplicated yet.
b-they have uncoiled to form long, thin strands.
c-they leave the nucleus and are scattered throughout the cell.
d-homologous chromosomes do not pair up until division starts.
2007-05-12
07:12:37
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4 answers
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asked by
Frances P
2
in
Science & Mathematics
➔ Biology