Each chromosome has a a point of constriction containing certain repeated dna sequences that bind specific proteins.

What do heterotrophic cells need to survive?

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Several billion years ago which gas was the least prevailant in the atmosphere