The answer is that <span>all
veins carry blood back to the heart, except for the pulmonary vein. the
vena cava empty into the right side of the heart, so they technically
bring blood to the
</span>main atrium.
I don’t wanna know that I’m sooo weird I don’t wanna know how
Explanation:
Homologous chromosomes are 2 physically different chromosomes that have the same genes but are not genetically identical. Sister chromatids are 2 copies of a single chromosome and so are genetically identical (they also are physically attached to one another).
Eukaryotic cells contain
membrane-bound organelles such as nucleus while it is absent in prokaryotic cells.
The membrane-bound organelles present in eukaryotic cells is an organized and
specialized structure which include the nucleus, ribosomes, endoplasmic
reticulum, Golgi apparatus, vacuoles, lysosomes, mitochondria, and, in plants,
chloroplasts. All of these organelles perform different functions within the eukaryotic cells.